The papers of sculptor Katherine Hobson Thayer measure 0.6 linear feet and date from 1930 to 1982. Found within the collection are personal and professional correspondence; writings on art and anticommunist activities; printed materials; sketches; and photographs and slides of Hobson, her friends, and her artwork.

The papers of New York and New Mexico writer, art critic, and curator, Lucy R. Lippard, measure 56.5 linear feet and 0.454 GB and date from the 1930s to 2007, with the bulk of the material dating from the 1960s to the 1990s. Over half of the collection consists of correspondence files documenting Lippard's professional relationships with artists, writers, galleries, art institutions, and political organizations, and her interest in conceptual and minimalist art, feminism and political activism. Also found are Lippard's notes and writings including sound recordings and interviews, teaching and exhibition files, printed and digital material, several works of art, and photographs of artwork and artists. Scattered throughout the collection are a small number of records concerning Lippard's personal life. An addition of 3.0 linear feet donated 2015 includes subject files on feminist and conceptual art as well as land use, development, and local politics and history in New Mexico.

The papers of graphic artist, muralist, and activist Hugo Gellert measure 6.9 linear feet and date from 1916 to 1986. They document his career as an artist and organizer for the radical political left through an interview, legal papers, financial records, family papers, artifacts, correspondence, writings, organizational records, extensive printed materials (many of them illustrated by Gellert), photographs, and artwork.

The papers of California artist, curator, and educator Bruria Finkel measure 12.1 linear feet and date from 1953 to 2014. This collection includes biographical materials, correspondence, writings, project files, professional records, exhibition files, artists' files, personal business records, printed materials, photographic materials, sound and video cassettes, and numerous electronic discs.

The scattered papers of Abstract Expressionist painter Elaine de Kooning are dated circa 1959-2013 and measure 1.1 linear feet and 0.003 GB. Found within the papers are letters, writings, a sketch of John F. Kennedy, notes, a sound recording, a few documents regarding Willem de Kooning, transcripts of interviews of de Kooning, transcripts of recorded conversations between de Kooning and others, and transcripts of lectures by de Kooning and others. There are a few photographs of de Kooning and of de Kooning with others, including John F. Kennedy, artist James Bohary, and Ad Reinhardt, and of artwork. Most of the transcripts and few photographs are digitized. Also found are printed materials and two scrapbooks containing a variety of documents about de Kooning's protest against the death penalty and efforts to save the life of convicted criminal Caryl Chessman.

The papers of New York City and Gainesville, Florida based painter Arnold Mesches (1923-2016) measure 13.6 linear feet and date from 1939-2015. The collection documents Mesches' politically-engaged career and work process through biographical material, correspondence, writings, gallery and exhibition files, project files, subject files, teaching files, personal business records, printed material, and photographic material. Project files comprise a bulk of the collection and include grant files, activism files, project notebooks, and over 100 art project files containing drawings, source material, and photographic material for individual artworks.

The papers of sculptor, author, and poet, William Ordway Partridge, who was active in New York City and Washington, D.C., measure 0.2 linear feet and date from 1879-1920, and 1957. This small collection consists primarily of letters to Partridge from artists, political figures, art historians, and authors; drafts and typescripts of Partridge's poems; and two clippings about Partridge's sculpture.

The papers of artist Yasuo Kuniyoshi measure 11.8 linear feet and date from 1906-2013. The collection documents his career as a painter, graphic artist, and photographer, as well as his involvement in political, social, and art organizations, especially during World War II. Included are biographical material; correspondence; writings by Kuniyoshi and others; subject files primarily on his participation in various organizations and business dealings with American and Japanese galleries, museums, and dealers; exhibition catalogs and other printed material; photographs of Kuniyoshi and others; and artwork; exhibition and artwork records; and four scrapbooks. The collection also contains materials on Kuniyoshi's career and artwork obtained after his death by his widow Sara Mazo Kuniyoshi.

The Teriananda Papers, located in the Cultural Resource Center of the National Museum of the American Indian, contain writings authored by Teriananda, as well as various position papers, news articles, flyers, correspondence, and group newsletters that represent the political activities she participated in on behalf of Native American and other indigenous peoples.

The papers of fiber artist and painter Lia Cook measure 5.9 linear feet and date from 1968 to 2012. Cook's career and exhibition activities are documented through biographical material, correspondence, professional files, gallery and exhibition files, printed material, photographs, and artwork.