Smithsonian Institution - Archives of American Gardens
The collection contains the records of W. Atlee Burpee & Company and includes accounting records, seed trial records, seed contracts, sales records, contracts, inventories, office correspondence, contest letters, seed catalogs, pamphlets, advertisements and advertising reports, daybooks, photographs and other items relating to the company and some of its competitors. The collection is not comprehensive and includes significant gaps.
National Agricultural Library
The J. Horace McFarland Papers relate to Mount Pleasant Press; the majority of the collection includes glass negatives, acetate negatives, transparencies, slides, photographs, and watercolors of plants (ornamental and vegetables). There are plant-breeding records which include rose cards or letter-sized forms consisting of a black and white photograph of a variety of a rose and accompanying scientific documentation. Also included are original artwork; catalogs produced by the company; photographs of the office; and a map of McFarland's residence
University of Kansas - Kenneth Spencer Research Library
Trader's personal records (journal, historical essays, natural history, family papers, logbooks, vade-mecum, child's sketches .). The principal part of these papers is his "Ephemerides": a semi-journal particularly devoted to natural history (especially agricultural botany), his family life, illnesses, politics, logbooks of his travels, and to the history and description of Reunion.