The papers of sculptor, painter, jewelry designer, and teacher Claire Falkenstein measure 42.8 linear feet and date from 1917 to her death in 1997. There is extensive correspondence with fellow artists, collectors, critics, friends, museums, and galleries. The collection also contains biographical materials, much of it collected and organized by Falkenstein, personal and business records, writings, diaries, exhibition files, commission files, teaching files, photographs, original artwork, scrapbooks, and printed materials. There is a short motion picture film of an interview with Falkenstein featuring the windows she designed for St. Basil's Church in Los Angeles.

The papers of artist Robert Pearson McChesney measure 6 linear feet and date from 1913 to 2006. McChesney was an abstract expressionist painter and muralist based in Petaluma, California. The papers include biographical materials, correspondence, exhibition files, printed materials, scrapbooks, and photographic materials.

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 Downtown Gallery date from 1824 to 1974 (bulk 1926-1969) and measure 109.56 linear feet. The records present a comprehensive portrait of a significant commercial gallery that operated as a successful business for more than forty years, representing major contemporary American artists and engendering appreciation for early American folk art. There is an unprocessed addition to this collection dating circa 1970 of a single financial/legal document.

The records of the Carnegie Institute, Museum of Art measure 265.8 linear feet and date from 1883-1962, with the bulk of the material dating from 1885-1940. The collection includes extensive correspondence between the museum's founding director, John Beatty, and his successor, Homer Saint-Gaudens, with artists, dealers, galleries, collectors, museum directors, representatives abroad, shipping and insurance agents, and museum trustees. The collection also includes Department of Fine Arts interoffice memoranda and reports; loan exhibition files; Carnegie International planning, jury, shipping, and sale records; Department of Fine Arts letterpress copy books, and a copy of the original card catalog index to these records.

The records of New York Byron Gallery measure 16.3 linear feet and date from circa 1950s-1991, with the bulk of the material dating from 1960-1971. The records document the gallery's representation and exhibition of Surrealist and contemporary American artists, as well as the occasional pre-Columbian and Old Masters artwork. Found are over ten linear feet of artists and subject files, fifty-seven exhibition scrapbooks, exhibition catalogs, and sales records. There are also exhibitions catalogs of the Milan Galleria Dell'Arieti.

The Samuel J. Wagstaff papers, circa 1932-1985 comprise 6.4 linear feet of correspondence, writings, miscellaneous records, printed material, and photographs documenting Wagstaff's professional and personal relationships with artists and photographers, his career as an art curator, and his position as an important collector of paintings and photographs. Correspondence with artists and others such as curators, arts organizations, galleries, and museums, reflects the diversity of contemporary American art and includes individuals associated with the abstract expressionist, Fluxus, pop, earth, conceptual, and minimalist art movements.

The Morgan Russell papers, 1891-1977, present a good overview of Russell's career as a painter and sculptor, with an emphasis on his development of the color theory movement, Synchromism. The papers include correspondence, biographical material, transcripts of lectures given by Russell, illustrated notebooks and sketches, printed material and photographs.

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 Associated American Artists measure 55 linear feet and date from circa 1934 through 1983. The organization was founded in 1934 to stimulate interest in prints throughout the United States by promoting the sale of prints through department stores and other venues. Later, other genres of works of art were added and the department store abandoned in favor of a New York headquarters. The records contain voluminous files on artists; dealers, galleries, and museums; and clients. Also found is business correspondence, financial records, sales and exhibition catalogs, thirteen dismantled scrapbooks, and posters.