The papers of cubist painter Karl Knaths measure 8.9 linear feet and date from 1890 to 1973, with the bulk of the materials dating from 1922 to 1971. The collection includes biographical material, personal and professional correspondence, four diaries, 22 notebooks and notes on theoretical color and compositional approaches to painting, published and draft copies of essays on art, miscellaneous printed material, 132 sketchbooks and other artwork.

The papers of painter and writer James Britton measure 2.9 linear feet and date from circa 1905-1984, with the bulk of the material dating from circa 1905-1935. The bulk of the papers consist of 49 diaries dating from 1918-1935, plus notebooks of diary excerpts, that chronicle Britton's daily activities and include lists, illustrations, and drafts of correspondence. Additional papers include biographical information compiled by the Britton family; scattered business and financial records; correspondence, including copies of Britton's letters to the editors of the Hartford Courant and the Hartford Times; additional writings and notes that include drafts and manuscripts of an autobiography, drafts of articles for his publication Art Opus, and other writings; sketches and a woodcut print; printed materials, including clippings of his published writings for Art Review International, Book Notes, and Opus; and one photograph of Britton and of works of art.

The papers of artists Arthur and Helen Torr Dove measure 3 linear feet and date from 1905 to 1975, with the bulk of material dating from 1920 to 1946. Arthur Dove's life as an artist, and his life with the artist Helen Torr, are documented in biographical narratives, personal documents, an audio recording, correspondence, diaries, essays, poetry, notes, exhibition catalogs, clippings, magazine illustrations, pamphlets, receipts, an accounting ledger, tax records, sketches, and photographs.

The Frank K. M. Rehn Galleries records measure 21.8 linear feet and are dated 1858-1969 (bulk 1919-1968). The records consist mainly of business correspondence with collectors, artists, museums and arts organizations, colleagues, and others. A small amount of Frank K. M. Rehns personal correspondence and a few stray personal papers of individual artists are interfiled. Also included are financial records, scrapbooks, printed matter, miscellaneous records, and photographs documenting most of the history of a highly regarded New York City art gallery devoted to American painting.

The records of the Washington, D.C. arts and educational organization, Institute of Contemporary Arts, measure 36 linear feet and date from 1927-circa 1985, with the bulk of the material spanning the organization's active years, 1947-1967. The collection documents the arts and cultural programming organized by the ICA through correspondence, artists' files, program and exhibition files, administrative and financial records, printed materials and photographs. Also found are administrative, student, and teacher records of the ICA school; records of the Fine Arts Committee of the People-to-People Project; and some personal papers of the ICA's founder, Robert Richman.

The papers of muralist and sculptor, Pietro Lazzari, measure 12.84 linear feet and date from 1878 to 1998. The papers document Lazzari's life and career through biographical material, correspondence, business records, notes, writings, artwork, photographs, and printed material.

The papers of modernist painter and activist Harold Weston (1894-1972) date from 1894 to 1978 and measure 24.3 linear feet. The papers focus on Weston's painting career and his involvement with humanitarian and artistic causes. Found are biographical materials, correspondence, personal business records, association and organization records, commission and project files, materials relating to Weston's book Freedom in the Wilds, writings, artwork, printed materials, two scrapbooks, and photographs.

The Rockwell Kent papers measure 88.0 linear feet and date from circa 1840 to 1993 with the bulk of the collection dating from 1935 to 1961. The collection provides comprehensive coverage of Kent's career as a painter, illustrator, designer, writer, lecturer, traveler, political activist, and dairy farmer.

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.

Duncan Schiedt (1921-2014) was a jazz scholar, writer, photographer, film maker, researcher and pianist. He authored four books relating to jazz history. Many of his photographs and articles were featured in magazines, periodicals and documentaries. Schiedt also collected the work of other photographers on the subject of jazz. The collection primarily consists of photographs created by or collected by Mr. Schiedt.