Peter Stephen Du Ponceau Collection

Mss.B.D92p

Date: 1781-1844 | Size: 0.5 Linear feet

Abstract

A pioneer in ethnographic and linguistic studies of the American Indian and one of the most active members of the American Philosophical Society, Peter Stephen Du Ponceau helped to establish the American Philosophical Society's reputation as one of the world's foremost centers for the study of American Indians and their languages. The Peter Stephen Du Ponceau collection consists of correspondence on legal matters, Indian linguistics, silk culture, maritime law, the American Philosophical Society, and various publications of the early nineteenth century. The collection also includes several essays by Du Ponceau, most of which deal with maritime law.

Background note

Born at St-Martin de Ré, France, on June, 1760, Du Ponceau received his education at a Benedictine college, where he demonstrated a facility for languages. His uncommon knowledge of English led to ridicule by his schoolmates, who nicknamed him L'Anglois for his habit of carrying around an English Classic in his pocket. A bit of jealousy may have been at play as Du Ponceau, though he rarely studied, received all of the premiums at the end of each year. The disdain was mutual: Du Ponceau scorned his fellow students for their tendency to merely memorize and repeat their lessons.

Dissatisfied with the scholastic philosophy taught at the college, Du Ponceau left the school after eighteen months. Du Ponceau's mother wanted him to enter the priesthood. In an effort to persuade him, the priest reportedly evoked feelings of guilt and remorse by reminding Du Ponceau of his failure to cry at his father's death. Under the combined pressure of his mother and the unnamed priest, Du Ponceau agreed to enter the seminary under the condition that they would not require him to enter the priesthood after he completed his studies. He completed his studies, but did not enter the priesthood. Instead, at the age of 17, he set out for America with Baron von Steuben and served as Steuben's secretary in the Revolutionary army, with rank of captain, until illness forced his resignation in 1781. He settled in Philadelphia, where he studied law, was admitted to the bar, and established a law practice.

Elected to the American Philosophical Society in 1791, he served as secretary for and primary force behind the Society's Historical and Literary Committee. One of the most active committees in the Society's history, the Historical and Literary Committee provided much of the impetus for the early growth of the Society's Native American Indian linguistic collections. During Du Ponceau's tenure as secretary, the Committee laid the foundation for the Society's development into one of the premier centers for the study of Native American Indian languages.

A member of the Society during the era in which Thomas Jefferson served as president of the American Philosophical Society as well as president of the United States, Du Ponceau collaborated with Albert Gallatin on a volume of Indian vocabularies commissioned by Thomas Jefferson. Jefferson wished to demonstrate the relationships between Indian tribes based on the similarities or differences of their languages. Du Ponceau and Gallatin found that a correlation did exist between similarity of language and the length of time since the tribes had migrated to other regions.

His memoir on the grammatical system of the Indian languages (Mémoire sur le systeme grammatical des langues de quelques nations Indiennes de l'Amérique du Nord) won the Volney prize of the French Institute in 1835 and his writings continue to inspire scholars to this day. In addition to his works on Indian languages, Du Ponceau wrote on the Chinese system of writing, then largely a puzzle to most Europeans.

An active and influential scholar, Du Ponceau served, simultaneously at one point, as president of not only the American Philosophical Society, but also of the Athenaeum and the Historical Society of Pennsylvania. During his years as president of the Society, from 1827 until his death in 1844, the Society expanded its linguistics collection to a degree not seen again until the 20th century.

Scope and content

The collection includes Du Ponceau's correspondence to and from various persons, essays, and legal papers. Though it consists largely of routine correspondence regarding legal matters and reviews of publications, the collection includes several essays of interest to scholars of maritime law and a few items of general historical interest.

Items of particular historical interest include two letters from John Adams and two letters from his son John Quincy Adams, written during their respective terms as President of the United States, George Washington's statement regarding Du Ponceau's military service, and a legal document pertaining to the DuPont family of Delaware. The Adams letters include one in which Adams states that Du Ponceau's work on Native American Indian linguistics has changed his perceptions of the Indians. The Washington document, which includes Washington's signature, describes Du Ponceau's appointment as a captain and his service as aide de camp and secretary to Major General Baron Steuben during the campaigns of 1778 through 1780. The DuPont document includes the signatures of five members of the prominent manufacturing family.

Other noteworthy items include letters from the Marquis de Lafayette, Albert Gallatin, and Charles Meredith. The Lafayette letter is an 1835 introduction of Dr. Charles Kraitsir, a philologist who published, the following year, what is perhaps the first history of the Polish in America. The Meredith letter discusses Robert Livingston's motion favoring the empowerment of the congressional Judiciary Committee to handle deeds and affidavits pertaining to land. The two Gallatin letters includes one that informs DuPonceau of his progress on the Indian vocabularies and another that includes a newspaper clipping defending Gallatin against those who assailed his reputation.

The collection also includes several letters written in French. Most relate to legal matters or reviews of publications, but some include a few interesting historical tidbits, among them discussion of the representation of French sailors in North Carolina, the Polish victory over the Russians, Andrew Jackson's dismissal of agnostics (including Du Ponceau), and John D. Hunter, allegedly raised among the savages, but proven an impostor. The last item contains a relevant newspaper clipping from Poulson's Daily Advertiser.

One of the few personal items in the collections is a reflective letter from Du Ponceau to William Popham, written two years before his death. Although he describes his "general health" as good, Du Ponceau felt that he was "gradually departing from this world." He describes his declining eyesight and hearing, comments upon the death of the last friend of his youth, John Vaughan, and remarks that few living persons remembered him as a young man.

Digital objects note

This collection contains digital materials that are available in the APS Digital Library. Links to these materials are provided with context in the inventory of this finding aid. A general listing of digital objects may also be found here.

Collection Information

Physical description

0.5 linear feet

0.5 linear feet

Provenance

Location of originals:

The Peter Stephen Du Ponceau Collection consists of 14 letters acquired by the APS in 1961 and 107 letters and essays removed from the APS Miscellaneous Manuscripts Collection.

Preferred citation

Cite as: Peter Stephen Du Ponceau Collection, American Philosophical Society.

Processing information

Recatalogued by Valerie A. Lutz, September 2004.

Related material

As one of the most active members of the American Philosophical Society during his lifetime, Du Ponceau appears, not surprisingly, in several other collections:

Du Ponceau collections at other repositories include:

Historical Society of Delaware

Historical Society of Pennsylvania

University of North Carolina at Chapel Hill, Southern Historical Collection

University of Pennsylvania

Missing Title
  1. American Philosophical Society Archives, which includes many letters to and from Du Ponceau
  2. Peter Stephen Du Ponceau Commonplace Book (B H978), with notes on William Penn and the Penn family (B D92c)
  3. Peter Stephen Du Ponceau, Essai de solution du problème philologique proposé en l'année 1823 par la commission de l'Institut de France (410 D92.1)
  4. Peter Stephen Du Ponceau, Indian vocabularies, consisting of 82 vocabularies representing 73 languages with notes and additions made by Du Ponceau and Albert Gallatin. (497 In2)
  5. Peter Stephen Du Ponceau, Notebooks on Philology, consisting of nine volumes, principally on American Indian languages, with some notes on the languages of the Tartars, Arabs, Greeks, Polynesians, and others. (410 D92)
  6. Peter Stephen Du Ponceau, Sea terms in different languages (359.03 D92)
  7. John Heckewelder Papers, with 115 letters written to Du Ponceau, chiefly on Indian languages (497.3 H35o)
Missing Title
  1. Du Ponceau, Peter Stephen, 1743-1824. Manuscript of Du Ponceau's diary, kept during his first months in America (1777-1778), which includes plans of the Valley Forge encampment.
Missing Title
  1. Chambers, Gordon. Collection, 1792-1823 (44 items). Includes material relating to Peter Stephen Du Ponceau.
  2. Du Ponceau, Peter Stephen, 1760-1844 Stephen, 1760-1844, 1760-1844, 1760-1844. (1760-1844). Correspondence, 1777-1844 (2 volumes)
  3. One volume consists mainly of copies of incoming letters, 1777-1785, 1808-1839, on political and legal matters from John Adams, John Quincy Adams, Washington Irving, Marquis de Lafayette, Edward Livingston, James Madison, James Monroe, and others, with some copies of outgoing correspondence.
  4. The other volume is Du Ponceau's reminiscences of his life to 1783 in the form of letters, 1836-1844 to Robert Walsh and later to his granddaughter, Anne L. Garesche. The memoirs concern his formal and informal education in France and his service as an aid to Baron von Steuben and General Nathanael Greene during the American Revolution.
  5. Both volumes contain a table of contents. There are also a few miscellaneous letters and notes.
  6. Steuben, Friedrich Wilhelm Ludolf Gerhard Augustin, Baron von (1730-1794). Letters, 1777-1791, 1835, 1837. (15 items.) Letters of Friedrich Wilhelm von Steuben relating to his military service in the Revolutionary Army; includes two letters of Peter Stephen Du Ponceau, 1835, 1837.
  7. Hopkinson family. Papers, 1735-1863 (19 v.) Includes correspondence with Peter Stephen Du Ponceau.
Missing Title
  1. Speculation Land Company Records (1796-1909). These pertain to lands in New York State owned by DuPonceau and Abraham Kintzing of Philadelphia.
  2. Eccles Family Papers. These include the papers of Edward Jones (1762-1841) of Wilmington
  3. and Fayetteville, N.C., native of Ireland, merchant, lawyer, and solicitor-general of North Carolina; and of his son-in-law, John Dick Eccles (d. 1856), also of Fayetteville. The collection includes letters from DuPonceau, a friend of Jones.
Missing Title
  1. University Archives, Trustee Records. Two documents from the period of DuPonceau's trusteeship.

Early American History Note

The Peter Stephen Du Ponceau Collection has a wide array of material. This entry refers to his correspondence. Although Du Ponceau is most well-known today for his work in Native American linguistics, the Du Ponceau Collection includes a significant amount of correspondence from Du Ponceau's legal career in the nineteenth century (B D92p). As a practicing lawyer often working on trade issues, his correspondence also includes large collection of business news and legal affairs happening in Philadelphia. Most of these documents are from cases Du Ponceau worked on, and many of these cases involve international trade and merchant concerns. One of the more interesting case files includes a brief on whether or not the family of a mariner lost at sea can recover lost wages.

Du Ponceau was well-connected and some of his correspondence involves research on American Indians, language, and other intellectual endeavors (410.D92.1). He corresponded with many individuals throughout the U.S. and fellow members of the American Philosophical Society, sometimes as official APS business.

What follows is a summary of the rest of the Du Ponceau Collection. As a leading linguist of the era, the Du Ponceau's collection has three portions that relate to language. The first is a large volume of 73 Indian languages for both South and North American Indians (497 In2). The second is a nine volume set of notes on philology that focuses on Native American languages but includes notes on range of other language groups, such as the language of Polynesians and Greeks (410 D92). The notes also make numerous observations about Native American customs, practices, and beliefs. The third portion of linguistic material is a dictionary of terms relating to the sea and seafaring (359.03 D92).

The APS collection also has a commonplace book of Du Ponceau, which includes interesting notes on colonial Pennsylvania history and especially William Penn's legacy (B D92c). Written in 1820, the notes can lend insight into the public and historical memory in early nineteenth century Philadelphia.

Some of his correspondence also involves his attempt to acquire documents from prominent Philadelphians so that the APS could publish a complete history of Pennsylvania. In addition to Du Ponceau's own efforts, Deborah Norris Logan corresponded with Du Ponceau about her own attempt to write a history of Pennsylvania. The Deborah Logan correspondence also touches upon women's roles in the early republic, with Logan writing that she felt uneasy publishing something in her name "before the publick" because of her "sex and station."

Indexing Terms


Corporate Name(s)

  • Academy of Natural Sciences of Philadelphia
  • American Philosophical Society
  • Historical Society of Pennsylvania
  • Massachusetts Historical Society

Family Name(s)

  • Du Pont de Nemours family
  • Du Pont family

Genre(s)

  • Accounts.
  • Bills (financial).
  • Business Records and Accounts
  • Deeds
  • Essays.
  • General Correspondence
  • Legal Records
  • Receipts

Geographic Name(s)

  • Philadelphia (Pa.). Select Council.

Personal Name(s)

  • Adams, John Quincy, 1767-1848
  • Adams, John, 1735-1826
  • Breck, Samuel, 1771-1862
  • Brose, William
  • Coodey, W.S.
  • Coxe, Paul
  • Du Ponceau, Peter Stephen, 1760-1844
  • Du Pont de Nemours, Pierre Samuel, 1739-1817
  • Dutilh, Stephen
  • Findley, James
  • Fiorelli, Henry
  • Follen, Charles, 1796-1840
  • Gallatin, Albert, 1761-1849
  • Gibson, James
  • Harris, Levett
  • Heckewelder, John Gottlieb Ernestus, 1743-1823
  • Humboldt, Alexander von, 1769-1859
  • Hunter, John Dunn
  • Jullien, Marc-Antoine, 1775-1848
  • Kraitsir, Charles V., 1804-1860
  • Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, Marquis de, 1757-1834
  • Logan, Deborah Norris, 1761-1839
  • Logan, George, 1753-1821
  • Logan, James, 1674-1751
  • Lovell, James, 1737-1814
  • Maltenberger, M.B.
  • McKean, Thomas, 1734-1817
  • Meredith, William, 1772-1844
  • Ogilby, Joseph
  • Ord, George, 1781-1866
  • Penn, William, 1644-1718
  • Peters, Richard, 1743-1828
  • Pickering, John, 1777-1846
  • Polk, William
  • Prescott, William Hickling, 1796-1859
  • Rawle, William, 1759-1836
  • Roux de Rochelle, Jean Baptiste Gaspard, 1762-1849
  • Rush, Richard
  • Say, Benjamin, 1755-1813
  • Seckendorff, ------, Baron de
  • Shaeffer, Frederick Christian
  • Tilghman, Edward, 1750-1815
  • Vaughan, John, 1756-1841
  • Wachsmuth, John Gottfried
  • Washington, George (1732-1799)
  • Watson, Ebenezer

Subject(s)

  • Admiralty -- United States
  • Business and Skilled Trades
  • Indians of North America -- Languages
  • International Trade.
  • Law
  • Law -- United States -- History -- 19th century
  • Maritime law -- United States
  • Merchant mariners -- United States
  • Silk


Detailed Inventory

Peter Stephen Du Ponceau Collection
  
Lovell, James, 1737-1814.
LScy to Robert R. Livingston
1781 October 17 

Recommends DuPonceau to Congress. Photocopy of letter in Library of Congress.

Peters, Richard, 1743-1828.
ALScy to Robert R. Livingston
1781 October 19 

Recommends DuPonceau to Congress. Photocopy of letter in Library of Congress.

McKean, Thomas, 1734-1817.
ALScy to Robert R. Livingston
1781 October 22 

Recommends DuPonceau to Congress. Photocopy of letter in Library of Congress.

Washington, George (1732-1799).
Statement in re: Peter S. Du Ponceau, ADS
1782 April 2 

Describes DuPonceau's service in the U.S. Army.

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Du Ponceau, Peter Stephen, 1760-1844.
Receipt to Etienne Dutilh
1785 April 23 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Samuel Coates
1786 July 11 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
Receipt to Stephen Dutilh, Philadelphia
1787 December 11 

For actions brought against the mariners of the ship Dorothea.

Du Ponceau, Peter Stephen, 1760-1844.
Receipt to Girard Plique, Philadelphia
1791 March 5 
Account of E. Dutilh and Wachsmuth, 2 p. and end.
1791 May 26-1793 December 18 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to E. Dutilh and Wachsmuth
1791 March 8 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to J.G.? Wachsmuth
1792 March? Wednesday 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to E. Dutilh and Wachsmuth, Philadelphia
1793 February 4 

Legal matter pertaining to Perkins and Bertier.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to E. Dutilh and Wachsmuth.
1793 April 5 

Legal matters pertaining to Bertier and Guilgot d'Epinal.

Du Ponceau, Peter Stephen, 1760-1844.
Statement pertaining to lack of funds on the part of Tellier, drawn on Dutilh and Wachsmuth, Philadelphia.
1793 November 26 

Printed. Contains original draft by Tellier.

Du Ponceau, Peter Stephen, 1760-1844.
Endorsement pertaining to Guenneteau and Tellier's affairs.
1794 May 26 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to E. Dutilh and Wachsmuth, Philadelphia.
1794 June 25 

Legal.

Du Ponceau, Peter Stephen, 1760-1844.
Statement of account to Dutilh and Wachsmuth, Philadelphia.
1794 November 26 
Du Ponceau, Peter Stephen, 1760-1844.
Receipt to Isaac Harvey, Jr., Philadelphia.
1796 June 28 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to James Gibson, Philadelphia.
1799 February 21 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Gottfried Wachsmuth, Philadelphia.
1799 October 24 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
Legal case.
ca. 1800 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to James Gibson
1802 January 7 

Insurance.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to William Rawle.
1802 October 5 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to Citoyen Pichon.
1803 April 12 
Philadelphia. Select Council..
Resolution passed at a meeting of the joint committees of the corporations of the city of Philadelphia, the district of Southwark, and the incorporated part of the township of Northern Liberties, relative to the inspection and measurement of wood. Philadelphia
1804 January 16 

DS: Paul Coxe, attest. Peter DuPonceau, secretary.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Governeur Morris, New York; Philadelphia.
1804 October 9 

Concerning a legal settlement.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Stephen Dutilh, Philadelphia.
1805 November 16 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to J.G. Wachsmuth, Philadelphia.
1807 March 3 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Messrs. E. Dutilh and Wachsmuth, Philadelphia.
1807 December 23 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Stephen Dutilh.
1807 

In French. Accompanied by translation. Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Mr. Dutilh.
ca. 1807 , Monday 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to Stephen Dutilh, Philadelphia.
1808 July 16 

Legal matters.

Promissory note to Du Ponceau
1808 July 161 items

Promissory note for $1,000 from John Mackey

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Stephen Dutilh, Philadelphia.
1808 July 26 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Benjamin Say.
1808 December 6 

DuPonceau has received pamphlets from Say and has been collecting all public documents to bind into volumes. Mentions "perplexed state of our affairs" (the Embargo Act).

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Stephen Dutilh, Philadelphia
1809 April 7 

Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Nottnagel, Montmollin and Co. or William Rawle.
1809 November 1 

Legal matter.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to W illia m Rawle.
1810 January 12 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to William Rawle.
1810 January 15 
Duane, William, 1760-1835.
ALS to Peter Stephen Du Ponceau, Philadelphia; Lancaster.
1810 January 20 

Expresses his thanks for DuPonceau's "valuable hints" relating to the petition of General Moreau, the case of Almstead, and the Arbitration System. Informs DuPonceau of a paper that he is intending to draw up. Presented by Norman Kane, September 16, 1972.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to William Tilghman
1810 November 9 
Pikney, William.
ALS to Stephen Peter Du Ponceau, Philadelphia; Baltimore.
1815 February 3 

Asks opinion on maritime law (ship Nereid).

Du Pont de Nemours, Pierre Samuel, 1739-1817.
Transfer from Du Pont de Nemours and his sons, V.M. and E.I. du Pont and their wives, of a portion of Les Bois des Posses to P.N. Harmand, Philadelphia.
1815 October 3 

D. drawn up by DuPonceau S: DuPont de Nemours , V. DuPont, Josephine DuPont, E.I. duPont, Sophie DuPont, Peter S. DuPonceau, not published. Mme. Lavoisier held a mortgage on the property.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to William Barton, Lancaster; Philadelphia.
1816 January 20 

States purpose of the Historical and Literary Committee and asks for some writing of his to include in a volume. Presented by Mrs. C. Barton Brewster, 1961. Draft. See APS Historical and Literary Committee, Letterbooks, Vol. I, no. 14.

Logan, George, 1753-1821.
ALS to Peter S. Du Ponceau, Stenton.
1816 April 17 

Will aid the historical committee as much as he can. Donates papers to the committee. Concerning James Logan.

Massachusetts Historical Society.
ALS to Peter S. Du Ponceau, Philadelphia; Boston received .
1816 May 15 

Printed DS: Joseph McKean. Statement of the work and objectives of the institution.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Vaughan, Philadelphia.
1817 January 23 

Remarks upon Wilson's Essay on Grammar.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John G. Wachsmuth, Philadelphia.
1817 June 11 

Legal matters.

Chamberlain, Jason.
ALScy to Peter S. Du Ponceau, Cape Girardeau, Mo., Terr.
1817 August 28 

Copy.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to James Gibson, Trenton.
1817 October 13 

Legal matters.

Harris, Levett.
ALS to Peter S. Du Ponceau, Philadelphia.
1818 April 23 

With regard to review of book by Professor Adelung, contained in Port Folio no. 208.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Vaughan, Philadelphia.
1818 April 30 

Discussion of the merits of John Heckewelder's Account...of the Indian Nations.

Ogilby, Joseph.
ALS to Peter S. Du Ponceau, Lancaster.
1818 August 5 

Regarding dividends on DuPonceau's stock in Lancaster and Susquehanna Turnpike.

Adams, John, 1735-1826.
ALS to Peter S. Du Ponceau
1819 June 23 

Mentions certain works which might be of interest in his study of universal language. DuPonceau's and Heckewelder's studies on the Indians have diminished certain prejudices he had against them. Mentions the American Philosophical Society.

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Adams, John, 1735-1826.
ALS to Peter S. Du Ponceau, Quincy.
1819 July 5 

Relative to lost languages in general. Desires to see Heckewelder's account of his missionary labors with Indians.

Shaeffer, Frederick Christian.
ALS to Peter S. Du Ponceau
1819 July 17 

Tour of Baron von Selis in Germany and Austria. Incorrect information about America widespread in those countries.

Logan, Deborah Norris, 1761-1839.
ALS to Peter S. Du Ponceau. Philadelphia; Stenton.
1819 October 10 

Concerning Logan-Penn correspondence.

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Logan, Deborah Norris, 1761-1839.
ALS to Peter S. Du Ponceau
1820 January 1 

Concerning Franklin and James Logan. Refers to APS Historical and Literary Committee.

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Du Ponceau, Peter Stephen, 1760-1844.
ALS to William Polk; Philadelphia.
1820 February 14 

Acknowledges receipt of deed; Mr. Tench Coxe is preparing the instrument of ratification.

Logan, Mrs. D eborah Norris ..
ALS to to Peter Stephen Du Ponceau
1820 August 4 

Concerning the forthcoming publication of James Logan's writings.

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Adams, John Quincy, 1767-1848.
ALS to to Stephen S. Du Ponceau, Philadelphia, Washington.
1821 July 10 

In return for DuPonceau's oration before the APS, sends a copy of his address delivered on the 4th instant to the citizens of Washington.

Adams, John Quincy, 1767-1848.
ALS to Peter S. Du Ponceau, Philadelphia, Washington.
1821 July 21 

Thanks him for address which he delivered before the APS. For copy of address, see 974.8 D92

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Heckwelder
Oct. 8, 1821 

1p. Questions Zeisberger's use of the term "become" and asks his opinion.

Seckendorff, ------, Baron de.
ALS to Peter Du Ponceau; Elizabethtown.
1822 May 3 

Bravery of Mr. Ullrich. Desires money DuPonceau offered him for his likeness.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Ebenezer Watson, Albany; Philadelphia.
1823 February 19 

Does not believe the tax statement is correct, contrasted with previous yearly statements.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Ebenezer Watson, Albany; Philadelphia.
1823 April 18 

Questions whether tax statement is correct, contrasted with previous yearly statements.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Davis
1824 March 113 p.

Thanks Davis for his letter of 10 February which was delivered by Mr. Sturges of whom Du Ponceau thinks highly. Describes his daughter's illness, and his work on a catalog for the APS Library and his law academy. He notes two points of the valedictory address to his law students on the "nature and extent of the jurisdiction of the [U.S.] courts" especially concerning common law.

Other Descriptive Information: Accession 1991 - 2315ms. Purchased from Joseph Sakmyster from APS Friends of the Library funds.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Mrs. Dolley Madison, Philadelphia.
1824 December 9 

Relative to celebration of the landing of William Penn.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Davis, Philadelphia.
1825 June 12 

Introduces Dr. Charles Follen who was recommended by General Lafayette.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to M. Jullien de Paris, Philadelphia.
1825 September 3 

Writes on behalf of the Athenaeum of Philadelphia. Mentions the APS, Lafayette.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to M.A. Jullien de Paris, Paris; Philadelphia.
1826 January 13 

Articles for the Revue Encyclopedique; exposure of the imposter, John D. Hunter.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to W.M. Meredith
1826 March 27 
Gallatin, Albert, 1761-1849.
ALS to Peter S. Du Ponceau
1826 May 20 (ca.) 
Rush, Richard.
ALS to Peter Stephen Du Ponceau
1824 October 20 

U.S. vs. Coolidge. Discussion of DuPonceau's work in the Salem Gazette. Offers three pages of effusive compliments on DuPonceau's work and "calm and philosophical spirit" with which DuPonceau examines the common law.

Hodgson, William B..
ALS to Peter S. Du Ponceau
ca. 1826? 

Acknowledges receipt of package of Orientals.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Mrs. Dolley Madison, Philadelphia.
1827 November 3 

Sends a copy of his eulogium on Chief Justice Tilghman.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to M. Jullien, Paris, New York.
1828 April 19 

Articles in the Revue Encyclopedique; review of his Delaware grammar.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Vaughan, Philadelphia.
1829 July 15 

Introducing William Brose, a younger friend of Alexander von Humboldt.

Adams, John Quincy, 1767-1848.
ALS to Peter S. Du Ponceau, Quincy.
1829 September 18 

Encloses papers from W.B. Hodgson for the American Philosophical Society.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to M. Jullien.
1831 March 5 

Revue Encyclopedique. Silk culture. Sends work on the language of the Berbers.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to General Lafayette, Philadelphia.
1831 May 19 

Sends last four volumes of Sparks' diplomatic collection. Events in U.S. and Europe.

Du Ponceau, Peter Stephen, 1760-1844.
Photo of ALS to John Vaughan, Philadelphia, 1 p.
1831 November 19 

Asks him to enclose a package to Petty Vaughan.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to H.A.S. Dearborn, Washington, 4 p.
1832 April 2 

Congressional appropriations for roads and canals; land grants; Scioto Co.; manual on the growth and manufacture of silk. With this is a statement of silk goods imported and exported, 1821-1825.

Access digital object:
https://diglib.amphilsoc.org/islandora/object/text:172691

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Edward S. Burd
1833 March 5 
Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, Marquis de, 1757-1834.
LS to Peter S. Du Ponceau, Paris, 1 p., address and endorsement.
1833 June 6 

In French. Introducing Dr. Charles Kraitsir.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Trustees of Girard College, Philadelphia, 1 p. and add.
1833 December 18 

Recommends Henry Fiorelli as a sculptor who comes highly recommended by Lafayette.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Isaac Hays, Philadelphia, 1 p. and add.
1833 December 24 

Asks for constittuion and by-laws, in pamphlet form, of Academy of Natural Sciences, to mail to "A Gentleman in the Western Country."

Maltenberger, M.B, _____ and _____.
LS to Peter S. Du Ponceau, Philadelphia, Pittsburgh, 1 p. and add.
1834 January 13 

Asks for constitution of Pennsylvania Historical Society, for they hope to found such a society in Pittsburgh.

Du Ponceau, Peter Stephen, 1760-1844.
ALS to Samuel Breck, Philadelphia, 1 p.
1834 April 4 

Acknowledges copy of Mr. Keating's report. Elections in New York and Virginia. Legal matters.

Du Ponceau, Peter Stephen, 1760-1844.
ALScy to James Findley, Philadelphia. Photocopy of original in Charles Roberts Autograph Collection, Haverford College Library.
1835 December 16 

American Philosophical Society received the geology of Massachusetts. Presented by Whitfield J. Bell, Jr., July 1969.

Coodey, W.S..
ALS to Peter S. Du Ponceau, Philadelphia, 1 p. and add.
1836 July 30 

Forwards a book in the Cherokee language, translated by S.A. Worcester and Elias Boudinot.

Almas, Paul Balogh de F..
ALS to Peter S. Du Ponceau
1837 April 23 p.

President of the A.P.S., Pest. (In French.) Returns thanks for "friendly attention" of A.P.S., especially for the interesting dissertations upon languages. General physical description: 8 1/4" x 10"

Du Ponceau, Peter Stephen, 1760-1844.
ALS to John Vaughan, Philadelphia, 3 p. and endorsement.
1838 April 9 

Complains that most competent men are too busy to give time to book reviewing.

Gallatin, Albert, 1761-1849.
--- to Peter Stephen Du Ponceau
1839 February 12 
Prescott, William Hickling, 1796-1859.
LS to Peter Stephen Du Ponceau, Philadelphia, Boston, 2 p. and endorsement, end.
1839 March 14 

Thanks for his work on Indian languages. Refers to John Vaughan and John Pickering.

Du Ponceau, Peter Stephen, 1760-1844.
1840 July 30 
Davesan, Auguste.
--- to Peter Stephen Du Ponceau
1841 June 9 
Du Ponceau, Peter Stephen, 1760-1844.
ALS to J.N. Nicollet, Philadelphia, 1 p. and add.
1842 January 22 

In French. Notification that he has ben elected to membership in the American Philosophical Society.

Du Ponceau, Peter Stephen, 1760-1844.
---- to William Popham
1842 March 4 
Du Ponceau, Peter Stephen, 1760-1844.
--- to J.W. Francis
1843 May 22 
Du Ponceau, Peter Stephen, 1760-1844.
LS to George Ord, Philadelphia
1844 January 13 

Concerning letter from Roux de Rochelle. M. de Rochelle intends to forward a copy of his poem on Cortes through DuPonceau to William H. Prescott.

Du Ponceau, Peter Stephen, 1760-1844.
Abstract of laws of Oleron Philadelphia , 2 p. and endorsement. NS.
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Du Ponceau, Peter Stephen, 1760-1844.
Appeals at civil law Philadelphia , 2 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Arguments to prove that the rights of the neutral flag are advantageous to the belligerent nations Philadelphia , 9 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Authority of a factor, 1 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Concerning the calendar, 1 p.
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Du Ponceau, Peter Stephen, 1760-1844.
Extract from the Monthly Review for December, 1798 in re intercourse with colonies in time of war Philadelphia , 1 p.
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Du Ponceau, Peter Stephen, 1760-1844.
Free ships, free goods Philadelphia , 1 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Goods found at sea Philadelphia , 2 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Index to my collection of newspapers inasmuch as concerns neutrality or captures Philadelphia , 3 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
List of books on the law of nations Philadelphia , 3 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
List of books which Mr. Davis is requested to procure from Europe for Peter S. DuPonceau Philadelphia , 2 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Mariners prevented by a vis major from performing their service Philadelphia , 2 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Minor Law of Nations Philadelphia , 1 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Notes on Lampredi, ch. X, Whether enemy's goods are protected by the neutral flag? Philadelphia , 4 p. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Notes on the case of a mariner dying in the course of a voyage, whether his heirs shall recover his wages and how much Philadelphia , 7 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Notes upon the navigation of neutrals Philadelphia , 1 p. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Notes upon neutrality Philadelphia , 1 p. and end.
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Du Ponceau, Peter Stephen, 1760-1844.
Of the captain or master Philadelphia , 2 p. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Of the competent judge of ambassadors in civil and criminal cases Philadelphia , 5 p. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Of the contract or engagement of mariners Philadelphia , 2 p. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Of principal and factor Philadelphia , 2 p. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Receptors of neutral vessels from enemies Philadelphia , 4 pp. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Thoughts on admiralty jurisdiction Philadelphia , 7 p. and end.
n.d. 
Du Ponceau, Peter Stephen, 1760-1844.
Titles of the Institutes, Digest, and Code respecting the judicial orders or practices of courts Philadelphia , 3 p. and end.
n.d.