The records of the New York Tibor de Nagy Gallery measure 43.9 linear feet and date from 1941-2016. The records document the activities of the gallery through business records and correspondence, exhibition files, artist files, financial and legal records, inventory records, and a small amount of records of the Houston Branch.

The papers of southern California Pop artist Billy Al Bengston measure 10.4 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 Midtown Galleries measure 86.82 linear feet and date from 1904 to 1997. The collection documents the operation and general administration of the business and includes artist records, exhibition material, inventories, financial records, photographs, and printed material.

The Frank K. M. Rehn Galleries records measure 21.8 linear feet and are dated 1858-1969 (bulk 1919-1968). The records consist mainly of business correspondence with collectors, artists, museums and arts organizations, colleagues, and others. A small amount of Frank K. M. Rehns personal correspondence and a few stray personal papers of individual artists are interfiled. Also included are financial records, scrapbooks, printed matter, miscellaneous records, and photographs documenting most of the history of a highly regarded New York City art gallery devoted to American painting.

The records of the Fendrick Gallery measure 106.4 linear feet and 0.008 GB and span the years 1952 to 2001. The bulk of the collection is comprised of artist's files that document the gallery's relations with and representation of over 300 contemporary artists and sculptors, including Robert Arneson, William Bailey, Daniel Brush, Wendell Castle, Robert Cottingham, James Drake, John Dreyfuss, Walter Dusenbury, Roger Essley, Helen Frankenthaler , Sam Gilliam, Jasper Johns, Raymond Kaskey, Claude and Francois Lalanne, Albert Paley, Joseph Raffael, Carol Summer, and numerous other artists. Also found are subject, exhibition, commission, administrative, and financial files, as well as files documenting the gallery's relationship with other museums and galleries.

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 André Emmerich Gallery records and André Emmerich papers measure 311.4 linear feet and date from 1929 to 2009. The collection documents the business of the André Emmerich Gallery as well as André Emmerich's life and activities related to the business of selling art. Gallery records include correspondence; appointment books; administrative and subject files; exhibition files; artist files and accounts; inventory, sales, purchase, and consignment records; chronological files; financial and legal records; printed materials; original artwork; photographic and audiovisual materials. Also found are personal papers and records relating to André Emmerich. TheA small addition received in 2014 includes general correspondence, administrative files, exhibition files, artists' files, inventory records, consignment records, printed material, photographic materials, and André Emmerich personal papers and records.

The papers of curator and art critic David S. Rubin measure 23 linear feet and 57.68 gigabytes and date from 1960 to 2017. The papers are comprised of biographical materials, interviews, correspondence, writing projects and notes, artists' files, exhibition files, professional files, subject and research files, printed materials, and photographic materials documenting Rubin's work in California, Arizona, and other locations throughout the United States.

The papers of New York abstract painter Leon Polk Smith measure 7.2 linear feet and date from 1938 to 1997. The papers consist of biographical material, business and personal correspondence, interview transcripts and an interview video recording, writings, financial records for the corporate entity Leon Polk Smith, Inc., printed material, photographic material, and a scrapbook of newspaper clippings.

The records of Holly Solomon Gallery, a New York City gallery specializing in contemporary American art, measure 200.6 linear feet and 0.002 GB and date from circa 1948-2003. The gallery's activities are documented through dealer files, subject files, artists' files, inventories, sales and loan records, administrative and financial records, printed and digital materials, photographic materials of artwork and exhibitions, and sound, video, and film recordings. Also found are records of the alternative space, 98 Greene Street Loft, as well as Holly Solomon's personal papers.