The papers of painter, political activist, and educator Leon Golub are dated 1930s-2009 and measure 16.5 linear feet and 4.13 GB. His career as a painter and educator – and, to a far lesser extent, his personal interests and activities – are documented by correspondence, interviews, writings by Golub and other authors, subject files, printed and digital material, and audiovisual recordings. Also included are biographical materials, personal business records, and photographs of Leon Golub and wife Nancy Spero. Posthumously dated items are mostly condolence letters, obituaries, printed material, and inventories of his work.

The papers of graphic artist, muralist, and activist Hugo Gellert measure 6.9 linear feet and date from 1916 to 1986. They document his career as an artist and organizer for the radical political left through an interview, legal papers, financial records, family papers, artifacts, correspondence, writings, organizational records, extensive printed materials (many of them illustrated by Gellert), photographs, and artwork.

The papers of collage artist Adeline Herder measure 4.3 linear feet and date from 1942-1999. The collection presents an overview of Herder's personal life and career as a collage artist. Her personal life is reflected through biographical material, correspondence including letters between Adeline and her husband Milton Herder, and writings and notes including appointment books. The collection offers a rich resource on Herder's artistic activity with correspondence that includes documentation of her relationship with Marjorie Jacobson and the purchase of her work by Roy Neuberger and Joseph Hirshhorn. Herder's career is further represented through exhibition files, printed material, writings and notes, and video recordings.

The papers of Xavier Gonzalez, a New York and Massachusetts painter, sculptor, educator, and owner of the Wellfleet Art Gallery, measure 14.1 linear feet and date from 1908 to 1997. The collection consists of biographical materials, correspondence, writings, project files, business records, printed materials, scrapbooks, photographs, and artwork.

The records of the New York City contemporary Gracie Mansion Gallery measure 5.3 linear feet and date from 1972-1991. Most of the records date from the gallery opening in 1982 and later. The bulk of the collection consists of printed material and exhibition loan files that document the activities of the gallery and the East Village art scene. Loan and consignment files are found for numerous artists including Michael Bidlo, Buster Cleveland, Claudia DeMonte, Rodney Alan Greenblat, Stephen Lack, Ed McGowin, David Sandlin, Hope Sandrow, David Wojnarowicz, Rhonda Zwillinger, among others. Also found are scattered business records.

The papers of artists and educators Stefan Hirsch and Elsa Rogo measure 19.6 linear feet and date from 1851 to 1986, with the bulk of the material dating from 1920s to the 1960s. Their artistic, teaching, and journalism careers are documented through biographical materials, correspondence, writings and notes, professional files, printed materials, photographs and motion picture films, and sketchbooks and other artwork.

The papers of art critic, author, and lecturer Clement Greenberg measure 8.6 linear feet and date from 1937 to 1983. The bulk of the collection consists of letters from art critics, artists, family, friends, galleries, and museums. Notable correspondents include Jack Bush, Anthony Caro, Richard Diebenkorn, Friedel Dzubas, Helen Frankenthaler, Adolph Gottlieb, Hans Hofmann, Morris Louis, Robert Motherwell, Charles Pollock, Jules Olitski, David Smith, and Anne Truitt among others. Also found are biograpical materials, personal business and financial records, an etching by Kurt Wisneski, printed materials, and two reports by Greenberg concerning his travels.

The papers of New York editor and art critic Thomas Hess measure 10.0 linear feet and date from 1939 to 1978. The collection includes biographical materials, correspondence, extensive writings and notes, artists and subject files that also include recorded conversations with artists and others, printed materials, photographic materials, and artwork.

The papers of painter, teacher, and writer Hans Hofmann measure 29.92 linear feet and 5.00 GB and date from circa 1904 to 2011, with the bulk of the materials dating from 1945 to 2000. The majority of the papers were created after 1932 and document Hofmann's life and professional career after settling in the United States. Among his papers are personal and professional correspondence; records of his schools in Munich, New York City, and Provincetown, Mass.; writings and notes; financial records; photographs; printed matter; estate records; and a small number of personal papers of his second wife, Renate Schmitz Hofmann. Hofmann's personal papers are augmented by a large selection of printed matter, including exhibition catalogs, articles, news clippings, and monographs about Hofmann and modern art, as well as documentary projects including Tina Dickey's compilation of oral histories and records of Hofmann's students, and research materials, sound and video recordings, digital material, and motion picture film created and gathered by Madeline Amgott during the production of two video documentaries about Hans Hofmann released in 1999 and 2002. Hofmann's Library was acquired with his papers; inscribed/annotated volumes have been retained with the collection.

The records of Jacques Seligmann & Co. measure approximately 203.1 linear feet and date from 1904 to 1978, with bulk dates from 1913 to 1974. The collection includes extensive correspondence files, reference material on American and European collectors and their collections, inventory and stock records, financial records, exhibition files, auction files, and the records of subsidiary companies. The collection is an invaluable resource in tracing the provenance of particular works of art and provides a comprehensive view of the activities of collectors and art dealers in the years leading up to and following World War II.