The Boris Mirski Gallery records measure 6.2 linear feet and date from 1936-2000, bulk 1945-1972. They include gallery administrative files; artist files including correspondence, exhibition and loan paperwork as well as photographic documentation of artwork; gallery correspondence; financial materials including outgoing and incoming invoices and sales records; printed materials promoting the gallery and its artists; press materials; and a number of photographs of Boris Mirski at events and with others, as well as photographs of artwork. Artists particularly well represented in the collection include David Aronson, Leonard Baskin, Hyman Bloom, Esther Geller, Rico Lebrun, Michael Mazur, Arthur Polonsky, Ben Shahn, Mitchell Siporin, Barbara Swan, and Karl Zerbe.

The Committee for the Simon Rodia Towers in Watts records measure 0.2 linear feet and date from 1953-1989. The records include clippings, a transcript of the film The Towers, interview transcripts with the towers' creator Simon Rodia, materials related to the Watts Towers' false restoration, photographic material, and unpublished articles by Jeanne Morgan. The records were compiled by Jeanne S. Morgan, founding member, executive director, and chair (1978-1980) of the Committee for the Simon Rodia Towers in Watts.

The papers of New York painter and art critic William Anderson Coffin date from 1886-1924 and measure 1.6 linear feet. Found within the papers are scattered biographical materials and correspondence, project files for the Pan-American Exposition in Buffalo, the American Artist's Committee of One Hundred, and the exhibition of works by American Artists at the Luxembourg Museum in Paris, three additional scrapbooks, printed material, and photographs.

The Joseph Hirshhorn papers regarding the Elmer MacRae papers measure 0.6 linear feet and date from 1959 to 2012, with the bulk of the material dating from 1960 to 1975. The papers relate to Joseph Hirshhorn's acquisition of the Elmer MacRae papers, as well as their subsequent use in the 50th anniversary exhibition of the Armory Show and for Milton Brown's book, The Story of the Armory Show. The collection includes correspondence, exhibition files, loan forms, rights and reproductions forms, and photographs.

The papers of curator, art historian, and author Judith Zilczer measure 0.4 linear feet and date from 1910-1995, with the bulk of material dated 1973-1995. The papers contain project files and related correspondence, unpublished manuscripts, photographs, and printed material documenting her research as an independent art historian.

The papers of painter and illustrator F. Luis Mora measure 1.7 linear feet and date from 1891 to 1986, with the bulk of material dating from 1891 to 1922. The collection includes biographical information, correspondence, 242 monthy pocket diaries by Mora, and printed and photographic materials.

The Elmer Livingston MacRae papers related to the Association of American Painters and Sculptors, Inc., (AAPS) measure 1.8 linear feet and date from 1899 to circa 2013, with the bulk of the material dating from 1912-1916. Elmer Livingston MacRae served as Treasurer of the AAPS when the association organized the International Exhibition of Modern Art, also known as the Armory Show of 1913. The bulk of this collection concerns MacRae's involvement with the AAPS and the Armory Show and includes administrative files, correspondence, exhibition files, financial records, printed materials, and artifacts.

The papers of engraver and illustrator Alice Barber Stephens measure 0.3 linear feet and date from 1884 to 1986. The collection includes letters, photographs, printed material, and miscellaneous items.

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 New York gallery owner and art dealer David Herbert measure 5.8 linear feet and date from circa 1909-1996, with the bulk of the material dating from 1945-1995. Herbert's papers document his years working for Betty Parsons Gallery, Sidney Janis Gallery, Graham Gallery, and others; the operation of the David Herbert Gallery from 1959-1962; Herbert's partnerships and agreements with Richard Feigen and others; and his activities as an independent dealer. Records include biographical material, correspondence, notebooks, subject files, artist files, exhibition files, business records, printed material, and photographs.