This collection primarily contains architectural drawings, photographs, business records and reference materials related to the projects and designs of architectural and engineering firm Abbott, Merkt and Company. A subsidiary portion of the collection includes drawings, photographs and papers related to the life and career of Richard H. Tatlow, III, president of Abbott Merkt, as well as the firms and agencies for which he also worked.

This large collection documents in great detail the architectural projects of Abraham Geller and his colleagues throughout the United States and abroad, spanning the 1940s through the 1990s. Types of projects represented include retirement homes, recreational facilities, medical centers, private residences and prototype dwellings for large residential developments, urban renewal projects, and offices.

This collections includes architectural drawings, files and photographs of projects designed by Woodbridge and his various firms, circa 1928-1960s. These include buildings at Presbyterian Church, Savoonga, St. Lawrence Island, Ala.; Cole Memorial Chapel, Wheaton College, Wheaton, IL; Amherst College, Mass.; Smith College, Mass.; St. Mary the Virgin Church, Chappaqua, N.Y.; St. John's Chapel and Library, Hobart College, Geneva, N.Y.; the Keene Valley Congregational Church, Keene Valley, N.Y.; and the Brick Presbyterian Church and the Episcopal Church Center, both in New York City; as well as other churches, residences, and miscellaneous projects. Also, included are drawings done by Woodbridge while a student at the Columbia School of Architecture, early 1920s; photographs of some of Woodbridge's buildings taken mostly by the architectural photographer Samuel H. Gottscho; a small sample of Woodbridge's correspondence, 1941-1942, documenting his role as chairman of the American Institute of Architects Committee on Architectural Services, relating to the role architects could play in the war effort; sketchbooks of various international locations; and photographs and documents relating to archaeological excavations at Antioch in Pisidia, Turkey.