The records of Castelli Graphics measure 45.7 linear feet and date from 1965 to 2001. Administrative files, correspondence, exhibition and project files, artists' files, financial and legal records, inventory and stock records, printed materials, and photographic materials document the activities of the New York art gallery and publishing firm founded by Antoinette Castelli.

The papers of artist Tony DeLap measure 1.4 linear feet and date from circa 1950 to 2015. The collection includes correspondence, writings, materials related to professional and teaching activities, printed material, a scrapbook, and photographic material.

The Art Foundry and Art Foundry Editions records measure 25.7 linear feet and 0.891 GB and date from circa 1975 to circa 2007. Records include administrative files; correspondence with artists, collectors, dealers, galleries, and others; eight gallery appointment books and fourteen notebooks; exhibition files; extensive artists' files; financial and legal materials; sculpture production and inventory files; and photographic and digital materials.

The records of the Nicholas Wilder Gallery of Los Angeles measure 2.4 linear feet and date from 1944 through 1984, with the bulk of materials dating from 1968-1979. Scattered documentation of the contemporary art gallery's fourteen years of operation include artists' inventory cards, photographic transparencies, letters and correspondence, invitations, notes, business and financial documents, and printed materials.

The papers of Jan Butterfield measure 15 linear feet and date from circa 1950 to 1997. Papers contain hundreds of recorded interviews with and lectures by artists, panel discussions of artists and art historians, as well as extensive writings by Butterfield. Also found are project files, personal business records, printed materials, photographs, and additional sound and video recordings related to art subjects.

The exhibition records of the Contemporary Study Wing of the Finch College Museum of Art measure 20.9 linear feet and date from 1943 to 1975, with the bulk of records dating from the period its galleries were in operation, from 1964 to 1975. Over two-thirds of the collection consists of exhibition files, which contain a wide range of documentation including artist files, checklists, correspondence, writings, photographs, interviews, numerous films and videos, artist statements, printed materials, and other records. Also found within the collection are administrative records of the museum, artist files, and papers of the Contemporary Wing's director and curator, Elayne Varian, which were produced outside of her work at Finch College.

The Leo Castelli Gallery records measure 215.9 linear feet and date from circa 1880-2000, with the bulk of the materials dating from the gallery's founding in 1957 through Leo Castelli's death in 1999. The major influence of dealer Leo Castelli and his gallery on the development of mid-to-late twentieth century modern art in America is well-documented through business and scattered personal correspondence, administrative files, exhibition files, extensive artists' files and printed materials, posters, awards and recognitions, photographs, and sound and video recordings. Also included are records for the subsidiary firms of Castelli Graphics and Castelli/Sonnabend Tapes and Films.

The papers of New York art critic and writer David Bourdon measure 38 linear feet and date from 1941-1998. The papers include scattered biographical materials, manuscript and published writings, extensive art and artists' research files, and printed materials.

The C. J. (Clarence Joseph) Bulliet papers measure 34.6 linear feet and are dated circa 1888-1959. Biographical materials, correspondence, writings, subject and artist files, printed material, photographs, and artwork document the career of the influential Chicago art critic and writer. The records contain extensive information about art and artists in Chicago and the Midwest from the early to mid-twentieth century.

The papers of technical artist, fabricator, and conservator Jack Brogan measure 2.25 linear feet and date from 1968 to 2016 with the bulk of the collection dating from 1971 to 2009. The collection documents Brogan's collaboration with many artists associated with Southern California Light and Space art to help realize their ideas. Papers include biographical material, project files, printed material, photographic material, and artwork.