The papers of painter and printmaker Eldzier Cortor measure 3.1 linear feet and date from circa 1930s to 2015, with the bulk of the papers dating from 1972 to 2015. The papers contain biographical material, correspondence, professional files, exhibition and gallery files, writings, printed material, artwork, and photographs.

The papers of modernist painter and printmaker George Constant measure 4.6 linear feet and date from 1912-2007, with the bulk of the material dating from 1932-1978. They consist of biographical material, inventories of artwork, audio interviews and recorded statements on art, personal and business related correspondence, holiday cards, printed material, an exhibition related video recording, and photographs of Constant, his family and friends, and his work.

The papers of art historian and museum curator W.G. (William George) Constable measure 25.7 linear feet and date from 1905 to 1981, with the bulk of the material from 1920 to 1976. The papers include biographical material; professional and personal correspondence; extensive lectures, writings, and notes; exhibition and book research files; printed materials; and photographs, glass plate negatives, and slides. There is substantive correspondence related to Constable's participation in the American Defense Harvard Group and about the formation of the Roberts Commission, including correspondence with Ralph Perry, Hugh Hencken, Paul Sachs and George L. Stout. There are numerous official reports prepared by Constable after World War II for the U. S. Office of Military Government for Germany.

The papers of Joseph Cornell (1903-1972) measure approximately 24.9 linear feet and date from 1804 to 1986 with the bulk of the material dating from 1939-1972. The collection documents the life, work, interests, and creative activities of the self-taught artist, who was best known for his shadow box constructions, assemblages, and collages. Papers include correspondence, diaries, source material, notes, writings, photographs, printed material, two- and three-dimensional ephemera, art works, and books, as well as a limited amount of legal and financial records, and some miscellaneous personal and family papers. The collection also includes the papers of his sister, Betty Cornell Benton, relating to the handling of Cornell's estate and the personal papers of his brother, Robert Cornell.

Handwritten catalog "Private Art Collection of Thomas B. Clarke, 1872-1879."

The Thomas B. Clarke letters from or about Homer Dodge Martin measure 0.2 linear feet and date from 1893-1897. Twenty-two letters from Martin to art collector and patron Thomas B. Clarke, document Martin's work, his financial struggles, and his physical and mental condition in the last 5 years of his life. Additional letters to and from others further illuminate Martin's relationship with Clarke and provide insight into his financial affairs and the increasingly favorable market for the painter's work just prior to and following his death in 1897.

The scrapbooks of Thomas Benedict Clarke measure 3.6 linear feet and date from 1879-1930. Twelve scrapbooks contain mostly newspaper clippings, but also include correspondence, invitations, exhibition catalogs, programs, magazine articles, art auction catalogs, and other material relating to Clarke's personal art collection and general art patronage. The scrapbooks also include clippings and miscellany relating to the Clarke family and influential society clubs, such as the Union League, Lambs, and New York Athletic clubs.

The papers of Massachusetts lithographer and etcher Elizabeth Campbell Fisher Clay measure 1.9 linear feet and 0.057 GB and date from circa 1873 to circa 2015, with the bulk of materials from 1890 to 1930. This collection includes biographical materials, correspondence, writings, fifteen diaries, six travel diaries, teaching files, artwork, printed materials, and photographs.

Correspondence; diaries; sketchbooks; journals; and an account book.

Priscilla Cunningham papers regarding Sue Fuller measure 0.2 linear feet and are dated 1982-2006. The friendship between Cunningham and Fuller and Fuller's sculpture are documented by letters and photographs. Also included is a written version of Fuller's reminiscences of Atelier 17 in New York City that she presented at the Pollock-Krasner House and Study Center in 1993.