The records of the Susanne Hilberry Gallery measure 5.8 linear feet and 10.1 gigabytes, and date from 1964-2017, with the bulk of the material dating from 1976-2016. Gallery artists include Richard Artschwager, Lynda Benglis, Jun Kaneko, Ellen Phelan, Italo Scanga, Joel Shapiro, Alex Katz, Judy Pfaff, Warren MacKenzie, and Nancy Mitchnick, among many others. The collection consists largely of files grouped by artist containing correspondence, sales records, and exhibition records documenting the activities of the gallery including outside or traveling exhibitions and other initiatives. Also included are significant amounts of visual materials (photographs, slides, transparencies, and digital images) documenting gallery exhibitions and the oeuvres of the gallery artists, as well as digital video recordings in the form of video works, recordings of artist talks, and artwork documentation.

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 Lee Nordness business records and papers measure 117.5 linear feet and date from circa 1931 to 1992 with the bulk of materials dating from 1954 to 1984. The records document seven New York City art-related companies with which Nordness was involved: Talent Discovery Company, The Little Studio, Ltd., American Art Expositions, Inc., Nordness Gallery, Inc., Lee Nordness Galleries Art Advisory Section, Inc., Lee Nordness Galleries Exhibition Section, Inc., and Forms & Objects, Inc. Records include correspondence, artist's files, business and legal records, inventories, financial and sales records, printed materials, scrapbooks, and photographic materials. Also found is a small group of personal papers.

The records of the Baxter Art Gallery measure 17 linear feet and date from 1962 to 1997. The collection documents the activities of the gallery founded by Professor David Smith in 1971 on the campus of the California Institute of Technology in Pasadena, California. Documentation includes administrative records, business correspondence, programs and events, exhibition files, and printed material, as well as three films by artist Lillian Schwartz shown at the gallery. The bulk of the collection (9.7 linear feet) consists of Exhibition Files, which document nearly every exhibition held at the gallery from 1971 to 1985. Of note are detailed records regarding "25 Years of Space Photography," the last exhibition held at Baxter Art Gallery in 1985 which toured internationally through 1997. Also included are records of the Pasadena Gallery of Contemporary Arts, which was founded by former director Jay Belloli after Baxter Art Gallery closed.

The papers of Henry Varnum Poor measure 12.9 linear feet and date from 1873-2001, with the bulk from the period 1904-1970. Correspondence, writings, artwork, printed material and photographs document Poor's work as a painter, muralist, ceramic artist and potter, architect, designer, writer, war artist, educator and a co-founder of the Skowhegan School of Painting and Sculpture. Also found is extensive information about the design and construction of Crow House, his home in New City, New York, commissions for other architectural projects, and his personal life.

This collection consists of digital documents on one 256 GB SunDisk drive gathered by David Stumpf for his book, Minuteman: A Technical History of the Missile That Defined American Nuclear Warfare, a detailed history of the Minuteman intercontinental ballistic missile program.

The papers of Parisian jeweler and art collector Henri Vever (1854-1942) include six diaries; a ledger of his art acquisitions; original oil paintings by Vever; and photographs. The materials document Vever's circle of friends, patrons, and other art collectors in turn-of-the-century Paris.

On March 27 and 28, 1910, sisters Elsbeth and Margarete Grosse of Meisen, Germany made an ascent in the "Graf Zeppelin" balloon that was piloted by Karl Hackstetter. This collection consists of a logbook and three letters written by the Grosse sisters to Hackstetter.

This small collection of Alfred Vance Churchill papers regarding Lyonel Feininger measures 0.9 linear feet and dates from 1888 to 1944. Found here are 36 letters from Feininger, a painter and illustrator, to his friend Churchill and a scrapbook compiled by Churchill containing 117 sketches by Feininger, a photograph of Feininger, clippings, and 47 sketches and reproductions by Churchill. There are also additional loose clippings, an exhibition catalog, and three photographs of Feininger.

The Coulton Waugh and Waugh Family papers measure 27 linear feet and date from 1751-1974 with the bulk of material dating from 1838 to 1974. The collection contains material from this family of artists living and working in Provincetown, Cape Cod, New York City, and England, including Coulton Waugh, Frederick Judd Waugh, Samuel Bell Waugh, and scattered material from Elizabeth Waugh, Ida Waugh, and Odin Waugh. Biographical materials, correspondence, diaries, writings, book project files, teaching files, business records, printed material, scrapbooks, photographs, and artwork are found.