The papers of Una Hanbury measure 5.3 linear feet and date from 1910 to 1994, with the bulk of the material from 1966 to 1990. The collection documents the sculptor's career and the dispersal of her estate through business records, project files, subject files, printed material, and photographs. There is also a small amount of material relating to her personal life including correspondence with friends and family and photographs from various stages of her life.

The records of the Nancy Drysdale Gallery measure 9.0 linear feet and span the years 1971 to 1996. The bulk of the collection comprises artist files that document the gallery's relations with 67 artists, many of whom were represented by the gallery.

The papers of New York photographer and filmmaker Hans Namuth measure 4.5 linear feet and date from 1945 to 1985. The bulk of the collection consists of photographs taken by Namuth of New York artists. Also included are papers regarding Namuth's film about Alfred Stieglitz and other professional files.

The papers of painter De Hirsh Margules measure 5.5 linear feet and date from 1888-2001, with the bulk dating from 1923-1965. The papers contain biographical material, and business and personal correspondence, including letters from Alfred Stiegliz, John Marin, Henry Miller, Max Schnitzler, Charles J. Connick, Louis M. Eilshemius, Alex King, and Myron Lechay. Also found are writings, printed material, scrapbooks, photographs, works of art and audio recordings documenting Margules' personal life and professional career.

The Dorothy Gees Seckler collection of sound recordings relating to art and artists measures 1.6 linear feet and dates from 1962 to 1976. Recordings include 17 interviews conducted by Seckler, one interview by John Jones, and 17 additional recordings of mostly contemporary art-related programs and interviews taped from radio and television broadcasts. Recordings are on 26 sound cassettes and 25 sound tape reels.

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 sculptor, painter, and printmaker John Henry Bradley Storrs measure 20.44 linear feet and date from 1790-2007, with the bulk of the papers dating from 1900 to 1956. The collection contains biographical material, correspondence, personal business records, forty-eight diaries of John Storrs, a few diaries of other family members, additional writings, printed material, photographs of Storrs and his family and friends, artwork, scrapbooks, estate records, and video recordings. Correspondence includes that of John Storrs, Marguerite Storrs, and the Storrs family.

The Cook Labs records, which date from 1939-2002, document the activities of audio engineer Emory Cook and his label Cook Labs. The contents include business records, materials relating to recording artists, photographs, and production materials, as well as phonograph records, master recordings and unpublished recordings produced by or associated with the Cook Labs label. The collection also contains two interviews conducted with Emory Cook in 1990: one by Jeff Place and one by Anthony Seeger and Nicholas Spitzer. There are several physical objects relating to Cook Labs including a bag of powdered vinyl, a binaural playing arm, and a condenser microphone.

The records of the American Federation of Arts (AFA) provide researchers with a complete set of documentation focusing on the founding and history of the organization from its inception through the 1960s. The collection measures 79.8 linear feet, and dates from 1895 through 1993, although the bulk of the material falls between 1909 and 1969. Valuable for its coverage of twentieth-century American art history, the collection also provides researchers with fairly comprehensive documentation of the many exhibitions and programs supported and implemented by the AFA to promote and study contemporary American art, both nationally and abroad.

The papers of Holger Cahill (1887-1960) date from 1910 to 1993, with the bulk of the material dating from 1910-1960, and measure 15.8 linear feet. The collection offers researchers fairly comprehensive documentation of Cahill's directorship of the Works Progress/Projects Administration's (WPA) Federal Art Project (FAP) in addition to series documenting his work as a writer and art critic. Material includes correspondence, reports, artist files, scrapbooks, printed material, and photographs.