Circa 160 transcripts prepared for publication in Alan Armstrong, ed. Selected correspondence.

Material pertaining to the Walker regime in Guatemala, with many letters to and from John P. Heiss.

This correspondence is with Louis Etienne Duhail and Theodore C. Mazard.

These are copies of letters, chiefly relating to the American Philosophical Society, from Peter S. Du Ponceau, John Vaughan, and James Mease. There are a few original letters, one to Benjamin Franklin Peale.

Dawson Turner, banker, botanist, and antiquary, was an avid collector of literary and scientific books and manuscripts as well as an author of many works on antiquities and botany more specifically cryptogamic plants. This small collection of only 12 items contains letters written primarily to Jacob Henry Burn and relates to the purchase of items for Turner's vast personal library.

There are letters, songs, menus, etc. Members included William Strickland, N. Chapman, A. D. Bache, R. Dunglison, and others, who brought their bottles already decanted and ready to drink.

Two bound documents, "A chronological series of facts relative to Louisiana" and "An examination into the boundaries of Louisiana." Prepared by Jefferson for U.S. ministers at Paris and Madrid, as a means of determining the extent of the Louisiana Purchase. Jefferson sent these to the APS with a cover letter to Peter S. Du Ponceau, dated December 30, 1817; read in the Historical and Literary Committee, 1818. Printed in Thomas Jefferson, Documents Relating to the Purchase and Exploration of Louisiana (New York, 1904).

The New Sweden Company was founded as a joint stock enterprise in 1637 including Swedish, Dutch, and German investors seeking to trade in American furs and tobacco. Centered at Fort Christina, near present day Wilmington, Delaware, the colony expanded up both sides of Delaware Bay and the Delaware Reiver to present day Philadelphia, but capitulated to the Dutch in 1655. This volume contains selected transcripts in Swedish and German of documents in Swedish archives relating to the settling and governance of the colony of New Sweden in Delaware and Pennsylvania, made at the expense of Jonathan Russel, United States minister to Sweden, 1820. The documents have all been translated into French, and were printed in Hazard's Register of Pennsylvania, vol. 4 (1829), 177-8,200, 314-315, 373-374, 398-400; vol. 5, 14-15, 219-221. No. 27 was not printed. Bound in at the end of the volume is Ch. 5 of Per Lindeström, "Description de la nouvelle Suède et des Indes Occidentales, 1691."

Born in Schiffdorf (near Bremerhafen), John Bohlen became one of Philadelphia's most prominent merchants at the turn of the nineteenth century. Running a profitable concern in partnership with his brother Bohl (1754-1836), John Bohlen imported commodities from their native Holland. Thanks to an insatiable American thirst for gin, Bohlen amassed an immense fortune that enabled him to travel in the same social circles as Stephen Girard and others among the mercantile elite and to win a spot in 1816 as one of the Directors of the Bank of the United States. By the time of his death, he was one of only eleven Philadelphians whose personal estates exceeded one million dollars in value. The Bohlen Collection contains a scant ten letters that appear to have been retained, as much as anything, for their autograph interest. Although they shed relatively little light on the life of John Bohlen, they do offer interesting glimpses into the personalities of Bohlen's famous correspondents, including Stephen Girard, Francis Scott Key, Meriwether Lewis, Virgil Maxcy, Oliver Hazard Perry, and Timothy Pickering.

This is a small group of letters written to Johann Ambrosius Beurer, J. von Sprehelson, and Christoph Jacob Trew.

All but one of these letters are to Charles Alston, the professor of botany at Edinburgh University, and concern medicine, botany, and science in general. They are dated between 1737 and 1750. One letter is to George Whately, dated 1778.

These are letters of William Hewson, Mary Stevenson Hewson, and Thomas Tickell Hewson, chiefly to members of the family on personal affairs. There are also a transcript of a draft of William Hewson's account of his quarrel with Dr. William Hunter and a letter from Barbeu Du Bourg to Mary Stevenson Hewson.

This collection consists almost entirely of letters, mostly written by Jefferson, to various people. The largest portion of the letters are from Jefferson to Louis Hue Girardin concerning the latter's work in completing The history of Virginia: from its first settlement to the present day, Volume 4 . Of particular interest is Jefferson's notes on his colleges' role in that history, including the plot to establish a dictator of Virginia. The letters to Girardin also include discussions of plants, the building of the University of Virginia, and books.

These papers include a catalog of his library (1 v., 67 p.); Narative of the difference between Dr. Alison, vice provost of the college of Philadelphia & Robert Strettell Jones late student in the senior class of the said College; Hugh Williamson to Isaac Jones, dated May 7, 1763; An abridgement of metaphysicks, written March 20,1761 & A system of rhetoric wrote Nov. & Dec. 1762, by Robert Strettell Jones; Depositions in re indictment for high treason against Robert Strettell Jones, Sept. 28, 1779; Certificate naming R.S. Jones as one of the Corporation of Contributors to the Pennsylvania Hospital, dated Dec. 3, 1773; and a copy of the will of his aunt Ann Strettell, Aug. 6, 1767.

Relating especially to American Philosophical Society business, these papers contain letters to and from men of science and institutions in Europe on the purchase and shipment of books and on the pubications of the Society. Many of the letters are to or from John Vaughan.

Zebulon Montgomery Pike (1779-1813) was an explorer and soldier, most often remembered two exploratory trips to the newly acquired Louisiana territory. The first of these trips was to the source of the Mississippi River in 1805; the second was to explore the headwaters of the Arkansas and Red Rivers in 1806. Because General James Wilkinson was responsible for organizing Pike's two expeditions, when the conspiracy charges again Aaron Burr implicated Wilkinson, suspicion was, for a short time, also focused on Pike. Pike worked his way up the ranks of the United States Army, becoming a brigadier-general during the War of 1812. He was killed in the Battle of York in Upper Canada (now Toronto) in 1813.

William Tilghman (1756-1827; APS 1805) was a jurist and chief justice of the Pennsylvania Supreme Court. He held several positions as a judge and lawyer in the Philadelphia area and was active in the American Philosophical Society. He helped form and served as the head of the Committee of History, the Moral Sciences and General Literature for the APS and was elected the President of the APS in 1824, a position he held until his death.

These are the original sketches used for the engravings in Day's 1843 publication, "Historical Collections of the State of Pennsylvania" (Philadelphia). They are finely detailed renderings of public and private structures and landscape throughout Pennsylvania. Accompanying these sketches are 150 pages of photocopied letters of Day, from originals at Yale University. These were used by Smith in his book.

The material in this collection is primarily the receipts for books, clothes, passages, a rhinoceros, etc., while he was in Calcutta. There is also a small volume (approximately 50 pages), a duplicate receipt book which he kept as the Consul for the U.S. in Vera Cruz, Mexico.