The Washburn Gallery records measure 47.9 linear feet and 4.805 gigabytes. The collection dates from 1906-2017, with the bulk of material dating from 1971-2010. Founded in 1971 by Joan Washburn, the New York gallery specializes in the work of 19th and 20th American artists, and has mounted hundreds of exhibitions in its four decade history. The collection documents the gallery's activities through administrative records, correspondence and subject files, artist files, exhibition files, art fair files, printed material, photographic material, and records from the Peridot Gallery, purchased by Washburn in 1971.

The George Henry Mills Collection was donated to the National Air and Space Museum in 1994 by Mills' daughter, Mrs. Georgia Mills Head.

Manuscripts, correspondence, business records, newspaper clippings and scrapbooks documenting the career of Henry Grattan Tyrrell, an early-twentieth-century civil engineer and bridge builder who was also a prolific self-published author of hundreds of journal articles and several books. Subjects include aesthetic bridge design, history of bridges, design of movable bridges, and the economical design of factories, shops, and mill buildings.

The papers of realist painter Raphael Soyer date from 1933 to 1989 and measure 3.9 linear feet. They document Soyer's career as a painter, printmaker, and writer. Found within the papers are scattered biographical materials, including several transcripts of interviews with Soyer; extensive personal and professional correspondence; writings and notes by Soyer and others; scattered legal and financial records; exhibition materials, clippings and other printed material; and photographs of Soyer in his studio, with artists and friends, and at art events. Also found are one sketch and a facsimile of Soyer's 1968 sketchbook produced by Forum Gallery.

The papers of contemporary art collectors Dorothy and Herbert Vogel measure 47.5 linear feet and date from the 1960s to 2009. Found is scattered general correspondence, artists' files, subject files, business records, and printed material relating to the Vogel Collection. Artists' and subject files create the bulk of the collection, the majority of which is printed material but includes some correspondence from artists.

The Robert Scull papers measure 2.2 linear feet and date from 1950 to circa 1984, with the bulk of the material dating from 1965 to 1970. Throughout the 1960s, Robert Scull was a wealthy and prominent art collector of Abstract, Pop, and Minimalist art whose collection included works by Michael Heizer, Jasper Johns, Robert Rauschenberg, and Andy Warhol, among others. His papers include fourteen annotated appointment books, correspondence, financial and legal records, printed material, and photographs. There is a 0.2 linear foot unprocessed addition to this collection donated in 2020 that includes black and white photographs (and 1 color photograph), snapshots, negatives and negative strips of family, friends artwork and artists; correspondence; and loan forms for works of art.

The papers of San Francisco Beat era photographer, journalist, and poet Mark Green consist of correspondence, biographical information, photographs, Nanny Goat Hill Gallery exhibition announcements, printed materials, and exhibition files for "Rolling Renaissance" (1968) and "A Kind of Beatness: Photographs of a North Beach Era, 1950-1965" (1975) exhibitions that Green helped to organize. Photographs by Mark Green are of notable figures and places in the Beat movement, including Allen Ginsberg, Robert Rauschenberg, and Clyfford Still, as well as photographs by others of Lawrence Ferlinghetti, Mark Green, and Jack Kerouac among others.

The papers of Piri Halasz are dated circa 1950-2017, and measure 1.6 linear feet and 0.179 GB. The collection consists of correspondence with Clement Greenberg and a number of well-known artists; writings including article and book manuscripts, drafts of lectures, talks, and born-digital presentations; interview transcripts and sound recordings; exhibition reviews; research; biographical material; photographs; and printed material documenting Halasz's activities as an art critic, writer and curator.

The papers of artist, collector, librarian, and scholar Kate Steinitz measure 4.3 linear feet and date from circa 1910 to 2002. The collection documents Steinitz's life and career in Germany and the United States through biographical material; correspondence; writings, including manuscripts and travel diaries; exhibition files; personal business records; printed material; travel scrapbooks; artwork; and photographs.

The papers of sculptor, painter, and writer Marta Adams measure 4.2 linear feet, and date from circa 1914 to circa 1991. Found within are biographical materials, correspondence, writings and notes, legal and estate papers, printed materials, photographic material, one mixed-media scrapbook, and artwork, including three portfolios of lithographs, 30 Grabados de Galo Galecio,1946, containing 30 engraving prints by Galecio and Estampas de la Revolucion Mexicana, 1947, containing 85 engraving prints by 16 artists of the Taller de Gracia Popular, and Drawings: Seymour Swetzoff, 1949.