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 Roche Collection documents some of the work of John and Mary Alice Roche, garden photographers who photographed numerous gardens throughout the United States. Several of the Roches' images appeared in popular gardening magazines and books on flower arranging from the 1950s and 1960s.
The Hollerith Family Collection includes approximately 2,200 35mm slides dating from 1952 to 1980 that document the horticultural interests and travels of sisters Virginia and Nan Hollerith, members of the Georgetown Garden Club in Washington, D.C. The images primarily show private and public gardens, plantations, and historic sites in the mid-Atlantic and the southeast regions of the United States. Included in the collection are slides documenting the activities of the Georgetown Garden Club and various floral arrangements.
The J. Horace McFarland Collection includes over 3,100 photographic images of private and public gardens throughout the United States, as well as some from foreign countries, dating from 1899 to 1963. Many of these images, generated for Mount Pleasant Press (later the J. Horace McFarland Company), were used to illustrate trade catalogs published by the firm as well as journal and newspaper articles. The collection also contains color records that were used as reference aids during the printing process, plant patents, and various publications of the McFarland Company.
The Historic Gardens Postcard Collection includes 200 postcards of historic views of various public gardens, parks, monuments, and buildings throughout the United States and some foreign countries, including Canada, France and Cuba. Some private gardens and estates and many Washington, D.C. attractions are also represented. Roughly half of the postcards were mailed; the remaining postcards were not written on or posted. Areas represented include Arizona, California, Colorado, Delaware, Florida, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Nebraska, New Jersey, New York, Ohio, Oregon, Pennsylvania, Texas and Virginia. Foreign views show gardens in Havana, Paris, and Canada. About a dozen cards feature various views of Smithsonian Institution museums along the National Mall in Washington, D.C.
The Lois W. Poinier Collection documents the work of Lois W. Poinier, a self-taught garden designer who designed scores of gardens, most of them in New Jersey.
The Lewis & Valentine Company Collection contains records of the Lewis & Valentine Company dating from 1916 to 1971 including photographs, negatives, brochures, books, trade catalogs, company papers, letters from clients, customer lists and a history of the company written by Harold Carman Lewis. Photographs document the Rodin Museum in Philadelphia, estates in Long Island, New York, and the properties of Hugh D. Auchincloss, Eugene du Pont, Walter P. Chrysler, Otto H. Kahn, F. W. Woolworth, Pierre S. du Pont (Longwood Gardens), Charles M. Schwab and Edward T. Stotesbury. This collection contains only a sampling of the records of Lewis & Valentine and should not be considered comprehensive.
The Frederic H. Leubuscher Collection contains 106 duplicate 35mm slides documenting examples of Leubuscher's landscape architecture design work in New Jersey, New York, North Carolina, Rhode Island and other locations.
The Untermyer Family Slide Collection includes 119 glass 35mm slides documenting the grounds of Samuel Untermyer's estate, Greystone. In addition to general garden views, the images depict architectural features, vistas from the property, and interior shots of Greystone's greenhouse. The slides are not captioned or dated. The photographer was Samuel Untermyer II, the grandson of Samuel Untermyer.
The Robert M. Fletcher Collection contains 268 35mm color slides documenting Southern California gardens designed by landscape architect Robert M. Fletcher.