This is Hoermann's doctoral dissertation for the University of Toronto.

This is a miscellaneous collection of manuscripts (ca. 35 items) from the British Museum, selected for filming by Whitfield J. Bell, Jr. Included are letters, botanical lists, illustrations, and other types of documents.

Correspondence compiled by Edward E. Wildman and Francis D. West, chiefly from original letters in the Historical Society of Pennsylvania and other depositories, 1956.

Letters collected by Whitfield J. Bell, Jr., including correspondence and papers submitted to the Society. Pertains to APS members and associations. Includes letters by Franklin, Winthrop, Endecott, Eliot, etc. Scientific and historical references, primarily. Some of the subjects discussed are astronomy, botany, electricity, natural history, and Indian missions. Also included is Roger Curtis' "Journal of the Moravian Mission to Labrador."

This collection is principally letters to Collinson about seeds, plants, and gardens from seed cultivators and owners of country estates, including Cadwallader Colden, John Hanbury, Lord and Lady Petre, the Duke of Norfolk, the Duke of Richmond, Sir Hans Sloane, and Daniel Solander. There are also several letters of John Bartram to William Bartram and Philip Miller.

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).

Letters and papers to or from American scientists or about America, selected from the Linnean Society's collections. Includes letters to William Swainson from John Abbott, John J. Audubon, Constantine S. Rafinesque, Isaac Lea, and John E. LeConte; letters to Sir James Edward Smith from Jacob Bigelow, DeWitt Clinton, J.F. Correia da Serra, David Hosack, Theodore Lyman, William Dandridge Peck, Rafinesque, and Gotthilf H.E. Muhlenberg; letters to William Darlington; letters to Asa Gray; letters of John Bartram; letters of Peter Collinson to J.F. Gronovius; letters and papers of John Ellis, including letters from Alexander Garden, Samuel Martin, and Bernard Romans; letters to Carl Linnaeus from John Bartram, John Clayton, Cadwallader Colden, Correia da Serra, Peter Kalm, Adam Kuhn, James Logan, John Mitchell, and Charles Wrangel.