The Ivan C. Karp papers and OK Harris Works of Art gallery records measure 80.3 linear feet and are dated 1960-2014. The collection documents the operation and activities of the contemporary art gallery founded by Ivan C. Karp in the SoHo area of Manhattan. Exhibition files, artist files, printed material and photographic materials reveal the wide range of artists represented by OK Harris and the gallery's role in introducing Photo-realism to the public. Aso included are administrative files, prints by OK Harris artists, business and personal correspondence, 39 journals by Karp spanning a period of 62 years, and other personal papers. Material pre-dating the 1969 establishment of OK Harris Works of Art consists of printed items and a few letters.

The Frank Stella papers measure 12.4 linear feet and date from 1941 to 1993, with the bulk of the records spanning the period 1978 to 1989. The collection documents the professional and personal life of abstract artist, Frank Stella. Among the papers are correspondence, a small cache of records from his years as an undergraduate at Princeton University, writings by and about Stella, interview transcripts, sketchbooks, registers and inventories, financial records, printed matter, and photographs.

The Clay Spohn papers measure 20.4 linear feet and date from circa 1862 to 1985 with the bulk of the material dating from 1890 to 1985. The collection consists of biographical material, correspondence, business records, notes and writings, art work, printed material, and photographs which reflect the life and career of painter and educator Clay Spohn.

An interview of Jere Osgood conducted 2001 September 19 and Oct. 8, by Donna Gold, for the Archives of American Art's Nanette L. Laitman Documentation Project for Craft and Decorative Arts in America, at Osgood's home, in Wilton, N.H.

The papers of sculptor and painter Brents Carlton measure 4.7 linear feet and 0.528 GB and date from 1903 through 2014. The collection consists of biographical material, correspondence, personal business records, notes, a scrapbook, exhibition files, art work, photographs, digital photographs, and printed material.

The papers of art critic, writer, and historian Elizabeth McCausland measure 45 linear feet and date from 1838 to 1995, with the bulk of the material dating from 1920 to 1960. The collection provides a vast accumulation of research data on various artists and aspects of American art, especially the early American modernists and the Federal Arts Projects. Papers include McCausland's extensive research and writing files, particularly on Marsden Hartley, E. L. Henry, Lewis Hine, George Inness, and Alfred H. Maurer. McCausland's correspondence with artists includes a substantial amount with Arthur Dove and Alfred Stieglitz. Her collaborative work with Berenice Abbott on the Changing New York book and series of photographs is well-documented within the collection. Also found are general writings, subject files, files relating to exhibitions, teaching, and committees, photographs, art work, personal papers, and printed material. Additional McCausland material donated later from the estate of Berenice Abbott include biographical materials, project files, writings, and printed materials.

The papers of California conceptual artist and sculptor David Ireland measure 24.8 linear feet and 8.39 GB and date from circa 1910s to circa 2009, with the bulk of the material dating from 1960 to 2005. The papers include biographical material, correspondence, notes and notebooks, installation projects and exhibition files, teaching files, travel files, personal business records, printed and digital material and commercial recordings, photographic materials, artwork, and video and sound recordings.

The papers of sculptor, painter, and publishing executive Alexander Semeonovitch Liberman date from circa 1913-2003 and measure 59 linear feet. Found within the papers are biographical materials; correspondence with family, galleries, museums, and many artists; numerous recorded interviews and transcripts with and by Liberman, including one of Walter Hopps; writings and writing project files; extensive subject files maintained by Liberman; exhibition files; printed materials; scattered drawings; and extensive photographs of Liberman's artwork, exhibitions, Liberman, and of Liberman with notable artists, dealers, collectors, and critics. Many of the photographs were taken by noted photograhers. Also found within the papers are unidentified sound and video recordings. Additional sound and video recordings have been integrated into other series.

The records of the New York Tibor de Nagy Gallery measure 43.9 linear feet and date from 1941-2016. The records document the activities of the gallery through business records and correspondence, exhibition files, artist files, financial and legal records, inventory records, and a small amount of records of the Houston Branch.

The papers of painter, illustrator, and educator Ethel Edwards (1914-1999) measure 11.2 linear feet and date from circa 1929 to 1999. The papers are comprised of biographical materials, correspondence, writings and notes, business records for the Wellfeet Art Gallery that she operated with her husband Xavier Gonzalez along with records for Edwards' personal business activities, printed materials, three scrapbooks, photographic materials, artwork, and 32 sketchbooks.