This is a collection of autograph letters, principally to Hosack, but also between other correspondents.

The James S. and Frances M. Bradford Collection contains a wealth of letters to and from Polly Stevenson Hewson, intimate friend of Benjamin Franklin. At the heart of the collection are approximately 40 letters from Mary Stevenson to Franklin with a smaller number in return. Friendly, increasingly intimate, these provide a glimpse of the domestic life of Franklin and his warm personal relations with the Stevensons and Hewsons. Among the noteworthy individual items is the manuscript "Craven Street Gazette" (Sept. 22-26, 1770), the mock newspaper Franklin produced while in London. The collection also contains a series of unrelated miscellaneous manuscripts that includes correspondence from William Bradford, Patrick Henry, and George Washington.

In this volume Rush comments on persons and events of the time, mentioning Robert Walsh, John Vaughan, Lafayette, James Rush, Peter S. Du Ponceau, and William Currie. Rush also comments on the Franklin Institute, and the American Philosophical Society.

This correspondence is chiefly of a personal nature between Short and Alexandrine Charlotte de Rohan-Chabot, the Duchesse de La Rochefoucauld, concerning his desire to marry her and bring her to America. The Duchesse's letters describe life in a powerful, wealthy, and noble French family under the ancien régime, including events of the Revolution and the Reign of Terror, and life in France thereafter. The collection also includes letters from Lafayette, Count Luigi Castiglioni, Pauline Castiglioni, and the Duc de La Rochefoucauld-Liancourt.

George Weedon (1734-1793) was Captain in the French and Indian War and a General in the American Revolutionary War. Between the two conflicts he was a prominent citizen of Fredericksburg, Virginia, operating a tavern in that city which served as a meeting place for George Washington, Thomas Jefferson, Patrick Henry, John Marshall and others to discuss politics and the future course of the American colonies.

This microfilm of Somerville's papers was compiled by Elizabeth C. Patterson for her book, "Mary Somerville and the Cultivation of Science, 1815-1840" (Boston: Martinus Nijhoff, 1983). It includes Somerville's scientific writings, personal writings, "letters from celebrities," family papers, genealogy, and photographs. Subjects of some of her writings include astronomy, Halley's comet, effects of light, and physical geography.

Born in Paris on August 8, 1801, the youngest of four sons of Venceslas and Rose Laisné Jacquemont, Victor Jacquemont became one of the rising stars of French natural history and an archetype for the scientist in the Romantic era. Combining youth, genius, and a rhapsodic love of nature with a life filled with masculine affection, star-crossed romance, and exotic climes, Jacquemont epitomized the romantic intellectual right up to the time of his untimely death in the Himalayas. In a career in which ill fortune and good fortune walked hand in hand, the figure of Jacquemont has all but overshadowed his substantial scientific accomplishments. The surviving correspondence of the ill-starred French botanist, Victor Jacquemont and his friend, Pierre Achille Marie Chaper (1795-1874) consists of 106 letters pertaining to the development of Jacquemont's scientific career and their personal and social commitments. The correspondence was published, though not translated, in James F. Marshall, Victor Jacquemont Letters to Achille Chaper: Intimate Sketches of Life Among Stendhal's Coterie (Philadelphia: APS, 1960), APS Memoir 50.

Born in Boston and educated there and in France, Samuel Breck (1771-1862) was a major figure in the mercantile, philanthropic, and political life of Philadelphia during the first hald of the nineteenth century. With an interest in historical and literary affairs, Breck was an active member of the Library Company of Philadelphia, the Phialdelphia Athenaeum, the Historical Society of Pennsylvania, and the American Philosophical Society (elected 1838). The Breck Collection is comprised of two manuscripts written by Samuel Breck. The first, "Historical Sketch of the Continental Bills of Credit, from 1775 to 1781, with Specimens Thereof" (1840), includes an essay and 153 specimens of Continental Currency. The second essay, "Recollections of My Acquaintance and Association with Deceased Members of the American Philosophical Society" (1862) includes the 92 year-old Breck's reminiscences of his personal relationships with the nationally and internationally prominent membership of the APS.

This volume contains short sketches of prominent American and European scholars, diplomats, and statesmen. "These short memoirs were composed in the heat of the summer of 1862; and the concluding page written on the 15th of August of that year, when I was about one month advanced in my ninety second year; my birthday being July 17th, 1771." Signed Saml. Breck. Persons discussed include Talleyrand Perigord; M. Volney; Rochefoucauld Liancourt; Louis Philippe, King of the French; Joel Barlow; William Bingham; Robert Morris; Alexander Hamilton; General Henry Knox; Doctor Benjamin Rush; Doctor Rush and William Cobbett.

In addition to family and business correspondence, the Charles Nicoll Bancker Family Papers contains various documents, such as a furniture inventory volume (30pp.); a Daybook, 1795-1800 (120pp.); and a very interesting journal (unidentified, but by one of the Banckers, and filed under "Description of a trip..."), from New York to Albany and back, between July 20-Aug. 15, 1793 (1 vol., 31 pp.). It contains detailed observations of the Hudson River and the towns along the way. Bancker was involved in business and trade prior to 1826, and in insurance after that date, so there is material relating to those topics in this collection. He owned a substantial library of the period, which was used by Charles Wilkes's Expedition after 1837 (see Reynell Coates to Bancker). This library, along with Bancker's notable scientific instrument collection, was sold after his death and there are published auction catalogues in the collection. There is much family correspondence from: Anne E. Bancker, Charles Gerard Bancker, Evert Bancker, Sarah U. Bancker, Violetta Bancker Talbot, Elizabeth Bancker Teackle, and John Teackle.

From the Board of Trustees of the Estate of Stephen Girard, these films are the complete archive of one of the largest mercantile and financial operations in the United States of his day. The collection includes correpondence, with translations of letters in French (139 reels). It also includes bank records, account books, ledgers, cash books, and journals; papers, documents, and records of trading voyages (arranged by vessel and date); records of Girard's country house, "The Place"; records of real estate, rents, etc.; prices current of ports of the world. There is a card index of correspondents and ships (14 reels). Included is a card file, a unique and invaluable research tool, this is an index of names and places and alphabetical abstracts of Philadelphia newspaper items and advertisements for the period covering ca. 1718-1795. Roach made a systematic search through eighteenth-century newspapers and several other sources, for biographical and subject information on Philadelphians and Pennsylvanians of the period. It is primarily biographical , but subject headings, such as "The Barracks," "Blue Lion, Sign of the," "Custom House," are scattered throughout. The source of each entry is cited, and there are brief annotations. There is also a miscellaneous assortment of volumes that were received with the Kane family papers.

This rich collection of letters and documents, which was assembled by Sol Feinstone (1888-1980) over a period of fifty years, includes material on almost all notable Americans from before the Revolution to the 1850's, as well as prominent Europeans, and there are documents relating to military affairs. There are substantial groups of letters from: John Adams, Henry Dearborn, Alexander Hamilton, Jedediah Huntington, Thomas Jefferson, Lafayette, George Washington, and a long run of letters from a Massachusetts military surgeon named Samuel Adams. Many letters, though written by Revolutionary figures, relate to events that occurred before or after the War.