The papers of art collector Emily Hall Tremaine measure 8.9 linear feet and date from 1890 to 2000. Found within the papers are biographical materials on the Hall, von Romberg, and Tremaine families, including a sound cassette on the Tremaines; personal correspondence; art collection files, which include inventory binders, records of sales and donations, artist files, exhibition loan files, and reproduction request files; 2 scrapbooks documenting Tremaine's first marriage to Baron Maximilian von Romberg; and photographs of Tremaine, her family and friends, and works of art from her collection. There are also materials related the 1984 exhibition The Tremaine collection: 20th Century Masters at the Wadsworth Athenaeum, including a video recording of Philip Johnson's exhibition lecture.

The Samuel J. Wagstaff papers, circa 1932-1985 comprise 6.4 linear feet of correspondence, writings, miscellaneous records, printed material, and photographs documenting Wagstaff's professional and personal relationships with artists and photographers, his career as an art curator, and his position as an important collector of paintings and photographs. Correspondence with artists and others such as curators, arts organizations, galleries, and museums, reflects the diversity of contemporary American art and includes individuals associated with the abstract expressionist, Fluxus, pop, earth, conceptual, and minimalist art movements.

The papers of Hungarian-born artist, art theorist, and educator, Gyorgy Kepes, measure 21.2 linear feet and date from 1909-2003, with the bulk of the material dating from the 1935-1985. The papers document Kepes's career as an artist and educator, and as founder of the Center for Advanced Visual Studies (CAVS) at the Massachusetts Institute of Technology (M.I.T.), through biographical material, correspondence, writings by Kepes and others, project files, exhibition files, printed material, sketchbooks, artwork, sound recordings and motion picture films, and photographic material.

The papers of abstract expressionist painters Jackson Pollock and wife Lee Krasner measure 16.1 linear feet and date from circa 1914 to 1984, with the bulk of the material dating from 1942 to 1984. The collection documents their personal and professional lives, as well as the legacy of Jackson Pollock's work after his death. Found are biographical material, correspondence, writings by Krasner and others, research material, business and financial records, printed material, scrapbooks, artwork by others, photographs, interview transcripts, audio and video recordings, and motion picture film.

The papers of architect and designer Florence Knoll Bassett, measure approximately 2 linear feet dating from 1932 to 2000. Through correspondence, sketches, drawings, designs, subject files, photographs, and printed material, the collection selectively documents Knoll Bassett's education, her work with Knoll Associates from the 1940s until her resignation in 1965, and projects undertaken since her retirement. It is an important source of information on the development of interior architecture and design from the 1940s to the 1970s.

The papers of art historian, dealer, critic, and curator Katharine Kuh measure 12 linear feet and date from 1875-1994, with the bulk of the material dating from 1930-1994. The collection documents Kuh's career as a pioneer modernist art historian and as the first woman curator of European Art and Sculpture at the Art Institute of Chicago. Found within the papers are biographical material; correspondence with family, friends and colleagues; personal business records; artwork by various artists; a travel journal; writings by Kuh and others; scrapbooks; printed material; photographs of Kuh and others; and audio recordings of Kuh's lectures and of Daniel Catton Rich reading poetry.

The Federal Art Project, Photographic Division collection dates from circa 1920-1965, with the bulk of the records spanning the active years of the Federal Art Project (FAP), 1935-1942. The collection comprises 12.4 linear feet of mostly photographic prints and negatives that document primarily artwork produced by artists employed by the FAP. A smaller number of photographs also document other programs of the FAP, such as art classes and community centers, exhibitions by children and adults, artwork installed in public buildings, project divisions, and demonstrations of art processes by FAP artists.

The Washburn Gallery records measure 47.9 linear feet and 4.805 gigabytes. The collection dates from 1906-2017, with the bulk of material dating from 1971-2010. Founded in 1971 by Joan Washburn, the New York gallery specializes in the work of 19th and 20th American artists, and has mounted hundreds of exhibitions in its four decade history. The collection documents the gallery's activities through administrative records, correspondence and subject files, artist files, exhibition files, art fair files, printed material, photographic material, and records from the Peridot Gallery, purchased by Washburn in 1971.

The collection documents the history of tobacco advertising in America through print advertisements (magazine and newspaper), emphasizing the deceptive advertising practices employed by the tobacco industry to lure and keep smokers. Many of the advertisements contain images of celebrities, athletes, and other notable persons who endorsed tobacco products as well as ethinic imagery.

The records of Midtown Galleries measure 86.82 linear feet and date from 1904 to 1997. The collection documents the operation and general administration of the business and includes artist records, exhibition material, inventories, financial records, photographs, and printed material.