This volume contains sections pertaining to the theory and practice of pharmacy, a distribution of medicinal simples, directions for extemporaneous prescriptions, and an instruction for disease diagnosis.

These are sixty letters to William Clark, a physician in London and Bradford, Wiltshire.

These papers include letters (1797-1851), letterbooks (1811-1844), registers (1807-1815), and miscellaneous manuscripts.

This commonplace book was filmed exactly as bound and contains notes on medicine, diseases, and weather; poems by Erasmus Darwin and others; family genealogy; letters; and sketches. There are notes by other family members, including his wife, his daughter, and his brother. There is a letter to "Major Darwin" dated 1929 taped inside the front cover, recounting the provenance of the book.

This collection includes letters between Ingenhousz and European and American scientists.

These papers include letterbook copies of two letters to Benjamin Franklin, and a paper on colds that Perkins inscribed for Franklin, "A few thoughts on epidemic colds or catarrhal fevers" (1768).

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 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.

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

These letters and papers include a memorandum book (1795-1827), lectures on botany and medicine, genealogical materials, committee reports from Columbia College, speeches, minutes of the New York Horticultural Society (1822-1828), letters to Sir James Edward Smith (1817-1826), a receipt book of Alexander Hosack (1781-1801), and diaries of Thomas K. Wharton (1830-1862).

This collection of Morton letters forms part of a bound volume of incoming correspondence. It is a companion volume to the original letters in the Morton collection at the American Philosophical Society, which were also originally bound. Most of the subjects of the two collections overlap, but additional subjects in the microfilmed collection include American Indians, archaeology, Egyptology, and phrenology.

These papers include diaries (1777-1782), expense books (1794-1804), notebooks, a commonplace book, drafts of essays, excerpts from minutes of Friends' Monthly Meeting, Tortola (1741-1761), newspaper clippings, sketches, and correspondence. Also included are letters and papers of Mrs. Thornton.

These letters of American Philosophical Society members and prominent early American scientists were selected from Carson's extra-illustrated draft of "A History of the Medical Department of the University of Pennsylvania" (Philadelphia, 1869).