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.
The Bedman Brothers Company Records collection focuses primarily on the business and financial transactions of Bedman Brothers seed company of Rahway, New Jersey, and includes accounting ledgers, purchase orders, price lists, miscellaneous business and family correspondence, and various brochures, pamphlets and leaflets related to horticultural topics. Other holdings in the collection include World War II ration stamps and two scrapbooks, one of which contains many late nineteenth and early twentieth century chromo-lithographed trade cards (primarily from the sewing, clothing, and floral industries). The other scrapbook holds news clippings from the Civil War period. Seperated materials include seed gathering equipment used by field workers.
The Corliss Knapp Engle slide collection contains 35mm slides of gardens, garden features, flower shows, and flora photographed by Corliss Engle, a self-taught photographer and horticulturalist. Much of the collection is comprised of photographic documentation of numerous private and public gardens that she visited throughout the United States. Of particular note are images of Engle's own garden in Brookline, Massachusetts, spanning three decades; they provide excellent insight into the development and evolution of a garden over time. Portions of the collection highlight Engle's involvement with the Garden Club of America and the GCA's Garden History and Design Committee. The collection also includes various notes, lecture scripts, brochures, programs and articles on garden and plant-related themes generated or compiled by Corliss Knapp Engle.
The Malcolm Howard Dill Collection contains 17 35mm slide reproductions of photographs of and design plans for private and community projects in Ohio and Indiana by the landscape architect, Malcolm Howard Dill.
The Mildred N. Beauregard Slide Collection contains 1,249 35mm slides, dated circa 1947-1971, of gardens and castles in England, Scotland, France, Holland, Switzerland, Sweden, Norway, and Denmark, as well as American gardens, photographed by Mildred Napier Beauregard. Some slides show tourist sites and scenes including skylines, rock features, waterways, boats and ships, and unidentified individuals. The collection also includes two slide viewers.
The Archives of American Gardens biographical information vertical file contains biographical material on numerous landscape architects, garden designers and horticulturists compiled from various published sources.
The collection contains the project design records of Rudy J. Favretti. Favretti, a landscape architect and professor noted for his extensive work in historical restoration of landscaped gardens, parks, homes, and more. He donated his collection of garden design files, plans, and images to the Smithsonian's Archives of American Gardens in March 2011.
The Robert M. Fletcher Collection contains 268 35mm color slides documenting Southern California gardens designed by landscape architect Robert M. Fletcher.
Collection consists of 183 35mm photographic slides that Dr. John M. Fogg took of a variety of arboreta, botanic gardens, plant nurseries, and other assorted gardens throughout the United States and Canada between 1955 and 1967.