The papers of painter and arts advocate Katherine Schmidt measure 0.2 linear feet and date from circa 1921 to 1971. Scattered correspondence, speeches, proposals, meeting minutes, and notes focus primarily on Schmidt's advocacy for federal and state government support of the arts. Printed materials includes exhibition catalogs, clippings, press releases documenting Schmidt's painting career and arts advocacy work. Photographs include portrait photos of Schmidt and photographs of Schmidt's drawings. There are two photographs taken by her first husband Yasuo Kuniyoshi of Schmidt with friends at a party.

The papers of painter Dorothy Varian date from circa 1902 to 1984 and measure 2.3 linear feet. This collection documents Varian's life primarily through scattered biographical material; correspondence with family, friends, artists and art galleries; personal business records; a few writings; exhibition catalogs, news clippings, and other printed material; photographs of Varian, her friends, and artwork; and original sketches by Varian and fellow artist Peggy Bacon.

The papers of printmaker, illustrator, caricaturist, and writer Peggy Bacon measure 3.6 linear feet and date from 1893 to 1973, with the bulk of materials dating from 1900 to 1936. Much of the collection consists of family correspondence, although writings, photographs, artwork, and personal business records from Bacon's late career are also found.

The papers of painter and muralist Louis Bouché measure 5.9 linear feet and date from 1880 to 2007. Found within the papers are biographical material; personal correspondence, including correspondence from the extended Bouché family; writings; financial records; printed material; four scrapbooks; artwork; and photographs of Bouché, his family and friends, and his work.

The papers of Reginald Marsh (1898-1954) measure approximately 9.3 linear feet and date from circa 1897 to 1955. The collection documents the life and work of the artist, who was best known for his paintings and illustrations depicting scenes of vaudeville, night clubs, burlesque, and New York City. Marsh was a lifelong free-lance illustrator for the New Yorker, Esquire and many other national magazines. Papers include correspondence, diaries, notebooks, sketches, scrapbooks, business and financial papers, and photographs, as well as some biographical and printed material.

The papers of realist painter Isabel Bishop date from 1914 to 1983 and measure 2.6 linear feet. The collection documents Bishop's painting career, her friendship with other artists, and her participation in several arts organizations. There are scattered biographical documents, correspondence with fellow artists such as Peggy Bacon, Warren Chappell, Edward Laning, and R. B. Kitaj, and with writers, curators, museums, galleries, arts organizations, and others. Also found are arts organization files, Bishop's writings about Warren Chappell and friend Reginald Marsh, notes, exhibition catalogs, news clippings, and other printed material, photographs of Bishop and her artwork, and photographs of Reginald and Felicia Marsh. Original artwork includes 8 sketchbooks, loose sketches, prints, and watercolor figure studies.

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 Catherine Viviano Gallery measure 11.6 linear feet and date from 1930-1990, with the bulk of the materials dating from 1949-1978. Established in New York City in 1949, the gallery specialized in contemporary painting and sculpture primarily by American and European artists. The collection consists of artists' files; correspondence with artists, collectors, dealers, museum directors, curators, and publishers; business records; printed material; and photographs of artwork and artists. Also included are records relating to Catherine Viviano's activities as a private dealer and consultant after she closed the gallery in 1970.

The papers of architectural historian, author, critic, teacher, and museum director, Henry-Russell Hitchcock, date from 1919-1987 and measure 24.8 linear feet. Almost all of the collection is comprised of Hitchcock's correspondence files relating to academic research, teaching, curatorial interests, and professional associations. Letters are from prominent architectural historians, architects, artists, preservationists, museum directors and curators, and family and friends. Also found are two feet of writings by Hitchcock and others, scattered biographical information, printed material, and photographs of Hitchcock and architecture.

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.