This correspondence, concerning botanical topics, includes lists of plants.

These manuscripts include correspondence to and from Hume, miscellaneous letters neither by or to Hume, cancelled checks, verses, notes, and papers not in Hume's handwriting.

This collection includes miscellaneous letters and drafts of letters; genealogical notes, medical essays, copies of letters and essays sent to newspapers and magazines; bills and receipts; invitations; military and other commissions; and a biographical memoir of General John Lacey, 1823. There are also papers, principally official, of his son Lieut. B. S. B. Darlington, U.S.N.

This typed autobiography, covering the period from Barus' birth to 1930, includes reports concerning the United States Geological Survey, the United States Weather Bureau, and Barus' work in cloud condensation.

This is professional correspondence to and from Sabine and numerous scientists, including H. Lloyd and James C. Ross.

These papers include letters from Admiral C.R. Moorson, correspondence with James Ross and Edward Sabine concerning polar exploration, and a map of the stars near the North Pole.

These are primarily letters with family members in Ireland while Harvey traveled and lectured in the United States. In 1849 he lectured on botany at the Lowell Institute in Boston and toured much of the eastern coast of the U. S. There are detailed letters about what he saw and the people he met.

This collection includes minutes and rough minutes of the Managers; Attending Managers' accounts; treasurer's and other financial records; cash books, ledgers, monthly accounts, and receipt books of the steward and matron; materials relating to the medical staff and instruction; patients' records and accounts. There are materials on buildings and grounds and on the library, museum, and the painting of "Christ Healing the Sick" by Benjamin West.

These concern James Glen, Governor of South Carolina from 1743 to 1756, and John Forbes, Colonel and later Brigadier General in the British Forces stationed in North America. There are references to South Carolina politics and government, Indian policy, and the French and Indian War.

These volumes contain lists of Philadelphia craftsmen, compiled from the city directories, 1785-1800, and arranged alphabetically within each craft or trade. Included in the index are similar data gleaned from Philadelphia newspaper advertisements.

The papers consist of correspondence, diaries, journals, financial records, writings, lectures, reproductions of sketches and documents which detail the lives of three generations of the Peale family. Material relating to the Peale Museum is also included.

These papers include correspondence from over 180 individuals, lecture notes and essays on mathematics, astronomy, and electricity, and his diaries from journeys through Germany (1798) and Switzerland (1802).

Includes "Description abrègée du Haut-Missouri adressé: a Monsieur don Zénon Trudeau," an account of a journey up the Missouri River, with descriptions of the life and manners of the Indian tribes, prepared for Don Zenon Trudeau, Lieutenant Governor of the Country East of the Illinois (n.d., [after 1795]). Extracts from journals, June 7, 1794-June 1796 (part printed from copy in Department of State Archives, Washington), 190 pages. Approximately 200 pages of letters. Materials contain descriptions of the culture of the Plains Indians (Cheyenne, Arikara, Mandan, Pawnee, Gros Ventres, Sioux, Poncas), dress, customs, marriage, birth; calumet dance, sun dance, buffalo dance; warfare.

These papers contain seven letters to his wife (1808-1833), a fragment of autobiography on his painting and studies, a notebook containing copies of correspondence about his portrait of Washington, John Godman's Ode suggested by Rembrandt Peale's National Portrait of Washington (1824), and a commonplace book containing kitchen and medicinal recipes.

These papers include two pages by Rubens Peale concerning landscapes, a notebook by Rembrandt Peale relating to the portrait of Washington, and a commonplace and recipe book, with sketches of gas lights.

These are letters from Jeremy Belknap, Aaron Dexter, Ezra Stile, Samuel Vaughan, Jr., and others. There are also drafts of some of Cutler's letters.

These manuscripts include dictionaries, grammars, catechisms, prayers, and Bible tales prepared by French Sulpician missionaries in New France in the languages of Nipissing-Algonquin, Mohawk, Huron, and Onondaga.

These papers are mostly typed transcripts of letters, documents, and notes, relating to the history and construction of the Pennsylvania State House and its restoration in the early twentieth century.

Includes correspondence, reports, and papers of Richard Lee, Thomas Lee, Richard Henry Lee, William Lee, and Arthur Lee.