The records of the Poindexter Gallery measure 6.8 linear feet and date from 1931-1985 with the bulk of the materials dating from 1955-1978 when the gallery was active. The majority of the collection consists of artists' files documenting the gallery's relationships with its artists, including exhibitions, and containing a wide variety of materials, including photographs. Also found are the "desk files" kept by the gallery's founder, Elinor Poindexter; correspondence; and financial and legal records.

The papers of art critic, writer, and painter Theodore F. Wolff measure 8 linear feet and date from 1920-2013, with the bulk of the material dating from 1977-2013. The collection documents Wolff's career through biographical material, correspondence, interviews, writings, subject files, printed material, a small amount of artwork, and photographs.

The papers of art critic, author, and lecturer Clement Greenberg measure 8.6 linear feet and date from 1937 to 1983. The bulk of the collection consists of letters from art critics, artists, family, friends, galleries, and museums. Notable correspondents include Jack Bush, Anthony Caro, Richard Diebenkorn, Friedel Dzubas, Helen Frankenthaler, Adolph Gottlieb, Hans Hofmann, Morris Louis, Robert Motherwell, Charles Pollock, Jules Olitski, David Smith, and Anne Truitt among others. Also found are biograpical materials, personal business and financial records, an etching by Kurt Wisneski, printed materials, and two reports by Greenberg concerning his travels.

The papers of Los Angeles art historian, art critic, and writer Merle Schipper measure 12.1 linear feet and date from circa 1930s to 1999. The papers include biographical material, correspondence, writing and research project files, printed material, writings by others, photographs, and artwork.

The papers of Dore Ashton measure 35.6 linear feet and date from circa 1928-2014, with one letter in the Joseph Cornell subject file dating from 1849. The records document Dore Ashton's career as an art critic, historian and educator, with particular depth for the period of 1952 through 1990. The collection contains a small amount of biographical material, as well as correspondence, writings, subject files, printed materials, artwork, and reference photographs of artworks. An addition to the Dore Ashton papers includes biographical material, correspondence, writings, writing project and subject files, teaching files, printed material, artwork and sketchbooks, and photographic material.

The papers of southern California Pop artist Billy Al Bengston measure 10.2 linear feet and date from circa 1940s to 1989, with the bulk of the materials dating from 1960 to 1988. The collection documents the life and work of the artist through biographical materials, correspondence, personal business records, gallery and museum files, teaching files, project and commission files, scattered artwork, printed materials, and photographs.

The records of the Marilyn Pearl Gallery are dated 1925-2000, with the bulk of the ematerial from the period 1976-1993. The collection measures 7.4 linear feet and consists of artists' files, exhibition files, and business records documenting affiliated artists and gallery activities.

The Jamison Thomas Gallery records measure 27.3 linear feet and date from 1940-2000, with the bulk of the records dating from 1980-1995, reflecting the years the Gallery operated in Portland Oregon. About 1/2 of the records consist of artists' files of artists represented by the gallery and artists of interest. Also found are administrative records, client and collector files, financial and legal records, exhibition files, and publicity files.

The papers of California painter, writer, and teacher Erle Loran measure 12.6 linear feet and date from 1912 to 1991. Found are biographical materials; two linear feet of personal and professional correspondence; personal business records; writings which include extensive drafts and notes for Loran's book Cezanne's Composition; over 400 items of artwork that include watercolors, drawings, charcoal, and pastel studies; printed materials; photographs of Loran, family, and friends, and artwork; and one audio recording of a lecture by Loran on Cezanne.

The records of the American Federation of Arts (AFA) provide researchers with a complete set of documentation focusing on the founding and history of the organization from its inception through the 1960s. The collection measures 78.6 linear feet, and dates from 1895 through 1993, although the bulk of the material falls between 1909 and 1969. Valuable for its coverage of twentieth-century American art history, the collection also provides researchers with fairly comprehensive documentation of the many exhibitions and programs supported and implemented by the AFA to promote and study contemporary American art, both nationally and abroad.