The papers of New York art collector Douglas Cramer measure 1.3 linear feet and date from circa 1970-2014. Papers include letters from artists, four guest books signed by visitors to Cramer's art collection and attendees of his parties, printed material documenting Cramer's career in television as well as his prominence as an art collector, and photographs of people and artists who attended his parties including Ellsworth Kelly, Ed Ruscha, Mary Boone, Leo Castelli, and others.

The papers of art collector and former United States Ambassador Donald Blinken measure .4 linear feet and date from 1956-2011. The collection is comprised of correspondence and printed material regarding several of the artists Blinken collected, including Willem de Kooning, Philip Guston, and Esteban Vicente.

The papers of art collectors Rita and Daniel Fraad measure 3.3 linear feet and date from 1926 to 1997. The collection consists of art documentation files that reflect their American art collecting activities. Found in the files are any combination of the following materials: correspondence, sales receipts, treatment reports and photographs, loan agreements, facilities reports, exhibition and auction catalogs, clippings, photographs, transparencies, and slides.

The papers of collectors Raymond and Margaret Horowitz measure 5.4 linear feet and date from 1903-2007, with the bulk of the material dating from 1960- 2007. The collection documents the Horowitzes' activities as collectors through art collection files, including appraisals, sales information, printed material, and photographs of artwork; files of artwork sold or donated; accession records, including inventory lists of paintings and prints; and catalog information.

The papers of gallery director and art collector Jock Truman measure 4.0 linear feet and date from 1852 to 2011. Found within the collection are biographical material; correspondence with friends, family, artists, and others; records of the short-lived Truman Gallery; a few writings by Truman; printed material; artwork by Truman and others; and photographs of Truman, his partner Eric Green, friends, family, and the Truman-Green collection of artwork. A small amount of material documents his work at the Betty Parsons Gallery.

The Victor D. Spark papers measure 22.2 linear feet and date from circa 1830 to 1983, with the bulk of the material from 1930 to 1970. The papers document Spark's career as a New York City art dealer and appraiser who was most active from World War II through the 1970s, focusing on Old Masters paintings and 19th and early 20th century American art. Found within the papers are biographical materials, artist files, client files, financial records, legal records, printed material, and photographs.

The papers of art historian, writer, and museum administrator Lloyd Goodrich measure 35.7 linear feet and date from 1884 to 1987 with the bulk of the material dating from 1927 to 1987. Materials include biographical material, extensive correspondence, writings and research files, organization and committee files, exhibition files, printed material, a scrapbook, and photographic material. The collection is particularly rich in research files on Winslow Homer, Thomas Eakins, Albert Pinkham Ryder, and Reginald Marsh, as well as correspondence with additional notable artists and art figures.

The papers of New York and California based interior designer, architect, collector and painter Lockwood de Forest measure 3.8 linear feet and date from 1858 to 1980, bulk dates 1870 to 1930. The collection includes correspondence, writings, diaries, journals, exhibition files, personal business records, printed material, sketchbooks, drawings, and photographs.

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 Zorach Family papers measure 4.4 linear feet and consist of materials relating to the lives and careers of sculptor and painter William Zorach, his wife painter and weaver Marguerite, and their children, painter and multi-media artist Dahlov Ipcar and collector and art dealer Tessim Zorach. The bulk of the papers consists of letters to Tessim regarding his parent's artwork. Additional materials include scattered letters to William Zorach; writings and notes by William, Marguerite, and Tessim; a sketchbook and drawings by William; prints by Marguerite; Marguerite's scrapbook; printed materials; and photographs of the Zorach family and of William Zorach in his studio and at work.