The papers of muralist, writer, and activist Philip Stein regarding the Mexican muralist David Alfaro Siqueiros measure 3.8 linear feet and date from 1933 to 2012. The papers reflect Stein's relationship with Siqueiros as an art assistant and their shared commitment to leftist politics. Much of the material relates to Stein's book Siqueiros, His Life and Work (1994) and his first book The Mexican Murals (1984). Found are research materials, correspondence, interviews, printed material, photographic materials, video and film recordings, writings about and by David Alfaro Siqueiros, and materials concerning Stein as a painter.

The records of Los Angeles Heritage Gallery measure 13.8 linear feet and date from 1944-2000 with the bulk of the materials dating from 1960-1998. The majority of the collection consists of artists' files containing a wide variety of materials documenting the gallery's representation of its contemporary artists and gallery exhibitions, including biographical information, correspondence, and printed materials. About half of the artists' files are related to artist Charles White. Gallery records also include business correspondence, business records and additional printed materials.

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.

This collection, which measures 7.9 linear feet and dates from 1851 to 1995 (bulk 1913-1995), documents the life and career of muralist, sculptor, and educator Reuben Kadish. The papers contain biographical material, letters, personal business records, an exhibition file, notes, writings, artwork, printed material, photographs, and artifacts.

The papers of New York City and California painter, printmaker, and teacher Harry Sternberg date from 1927 to 2000 and measure 3.4 linear feet. The collection documents Sternberg's career as an artist and art instructor through scattered biographical material, correspondence with friends, artists, collectors, curators, art organizations, universities, and galleries, writings by Sternberg and others, exhibition catalogs and announcements, news clippings, and other printed material. Also found are photographs of Sternberg and his artwork, two sketchbooks and three loose drawings by Sternberg, audio visual recordings, and one scrapbook.

The records of the Los Angeles Stendahl Art Galleries measure 7.5 linear feet and date from 1907 to 1971. The collection is comprised of administrative and financial files, correspondence, exhibition files, and subject files on numerous artists, organizations, and other art-related topics. There is one scrapbook of clippings on the artist Edgar Payne.

The Marian Gore "Art Scene" interviews and papers measure 2.2 linear feet and date from 1958 to 1969, with all sound recordings dated between 1962 and 1964. The core of the collection consists of 37 radio programs recorded by Marian Gore for KPFK radio in Los Angeles, California, consisting of interviews with artists, collectors, gallerists, and museum curators. A series of artist files contains notes, correspondence and other materials related to her interview subjects, and a printed materials series contains mainly exhibition posters, programs, and announcements produced by the art spaces with which her subjects were affiliated.

The papers of Enrique Riverón measure 3.3 linear feet and date from 1918-1990s. The collection contains correspondence, writings, diary entries, scrapbooks, printed material, and photographs documenting Riverón's career as an illustrator, cartoonist, painter and sculptor in the United States and Cuba and, to a lesser extent, Riverón's teaching career at Wichita University in Kansas.

The papers of Woodstock area painter, muralist, and designer, Anton Refregier (1905-1979) date from circa 1900 to circa 1990 and measure 35.9 linear feet. The collection records Refregier's early commercial work and murals for the Works Progress Adminstration (WPA) and documents his career through to the 1970s with records of commissions for many public and private buildings, exhibitions in the United States and abroad, teaching positions, essays and publications, and extensive travel, particularly to the Soviet Union and Mexico. The collection contains scattered biographical material, personal and business correspondence, notes and writings, 15 diaries and journals, mural and tapestry files, exhibition files, personal business records, printed material, 10 scrapbooks, artwork including sketches and cartoons for murals, and photographs of Refregier, his friends, family and travels.

The Walter Rosenblum Collection is comprised of 7,396 silver gelatin negatives taken by noted photographer Walter Rosenblum (1919-2006) for New York art galleries, collectors and artists between 1945 and 1976. The collection reflects the art of his time and is particularly strong in American and European avant-garde, surreal and abstract works.