The collection comprises 29 linear feet of records that document the day-to-day administration of the Robert Schoelkopf Gallery from 1962 to 1991, with additional items predating the founding of the gallery from 1851 to 1961. The collection records artist and client relations, exhibitions, and daily business transactions through artist files, correspondence, printed matter, and photographic material.

The papers of painter Gustavo Acosta measure 1.0 linear feet and date from 1958 to 2017. Biographical material including artist statements and interviews are included, as well as documentation from Acosta's education and art production in Cuba. Correspondence is mostly professional in nature and spans from 1987 to 2012, in both Spanish and English. The professional files series includes exhibition documentation and proposals, as well as artwork inventories and a lecture including a digital slide presentation. Printed material includes exhibition announcements and catalogs as well as press clippings. Photographs include images of the artist and artwork among other subjects. The artwork series includes various drawings and sketchbooks, in addition to art source materials including numerous photographs, many with notation and traces of drawing or paint.

The Jack Tworkov papers measure 9.7 linear feet and are dated 1926-1993. Tworkov's work as a painter and influential teacher, as well as his personal life, are documented by extensive journals and substantive correspondence that record his ideas about art and teaching, and illuminate his relationships with friends, colleagues, and students. Many sketchbooks, writings, interviews, photographs, and moving images are also included.

The papers of painter and teacher Julian E. (Edwin) Levi date from 1846 to 1981, and comprise 6.9 linear feet. They include biographical information and extensive correspondence with museums and galleries, as well as letters written to his family, circa 1927, while Levi was living in Paris. Also found within the papers are scattered drawings and sketches by Levi, writings and notes, financial records, two scrapbooks, printed material, miscellaneous records and photographs that document Levi's professional career and personal life.

The papers of lithographer, educator, and author Bolton Coit Brown measure 1.7 linear feet and date from 1882 to 1987 with the bulk of the material dating from 1882 to 1936. Found within the papers are biographical material; extensive personal correspondence with family members and friends; writings, including drafts of Art of Art Study and Lithography Since Whistler; and printed material.

The papers of Olive Rush measure 6.3 linear feet and date from 1879 to 1967. They contain correspondence, artwork, photographs, writings, and other personal papers documenting Rush's education and career as an illustrator, portraitist, muralist, painter, teacher, and promoter of Native American art.

The papers of New York City and Berlin, Germany based multi-media and conceptual artist Matt Mullican measure 27.8 linear feet and date from circa 1968-2017. The collection consists of biographical material, including a few interview transcripts; correspondence; over 100 notebooks; gallery and exhibition files; project and commission files; personal business records; printed material; and photographs. The notebooks document nearly five decades of Mullican's work process and illustrate his material and conceptual explorations. Large sequences of gallery and exhibition files, as well as project and commission files comprise the remaining bulk of the collection, providing detailed documentation of his professional career, particularly from the 1980s-2000s.

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.

Primarily exhibition catalogs for modernist art exhibitions held in New York City during the first two decades of the twentieth century. Also included are catalogs for Boston exhibitions, mainly pre-1900, and a few other locales; exhibition announcements; gallery publications; and other printed material.

The papers of abstract artist Alice Trumbull Mason date from 1921 to 1977 and measure 1.3 linear feet. The collection documents her career as a painter, particularly her role as one of the founders of the American Abstract Artists group, through biographical materials; correspondence with family, friends, fellow artists, art galleries, museums, and organizations; writings and notes, including notebooks of poetry and other creative writings; a small amount of printed material; photographs of Mason, friends, and her artwork; and original artwork, including five sketchbooks.