The papers of painter Romaine Brooks measure 3 linear feet and date from 1910 to 1973. Found are biographical sketches, correspondence, seven journals, writings and notes, printed materials, a scrapbook, and photographs. Most of the materials focus on Brooks' later life while living in Paris and Nice, France and Fiesole, Italy and make little reference to her paintings and portraits.

The papers of modernist painter and activist Harold Weston (1894-1972) date from 1894 to 1978 and measure 24.3 linear feet. The papers focus on Weston's painting career and his involvement with humanitarian and artistic causes. Found are biographical materials, correspondence, personal business records, association and organization records, commission and project files, materials relating to Weston's book Freedom in the Wilds, writings, artwork, printed materials, two scrapbooks, and photographs.

The papers of caricaturist and illustrator Alfred J. Frueh measure 7.7 linear feet and 3.18 GB and date from circa 1880-2010. These papers consist of biographical information, including a sound recording of reminiscences about Frueh by his children; correspondence that includes many illustrated letters and greeting cards; notes and writings; numerous caricature sketches, cartoons, and 25 sketchbooks by Frueh; printed and digital material; and photographs of Frueh and his artwork. There is a 2.3 linear foot unprocessed addition to this collection donated 2020 that includes bound and unbound scrapbooks and loose newspaper and magazine clippings of caricatures by Frueh from the New Yorker and other publications, circa 1920-1940.

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.

The papers of Los Angeles Abstract Classicist painter and educator Frederick Hammersley measure 35.05 linear feet and date from circa 1860-2009, bulk 1940-2009. The papers contain biographical materials, 32 diaries, family and professional correspondence, personal business and financial records, estate records, writings, graphic design projects, teaching files, printed materials, scrapbooks, photographs, and works of art. There is a 0.3 linear foot unprocessed addition to this collection donated in 2020 that includes photographs of Hammersley's family, and most significantly for research, a study in pencil and a "model for making cubes," a paper document that can be stored flat and folded into a cube shape.

The papers of Boston area painters Esther Baldwin Williams and daughter Esther Williams measure 2.1 linear feet and date from 1887 to 1984. The scattered papers of both women include biographical information, personal business records, correspondence, writings and notes, two diaries, four sketchbooks, printed materials, photographs, and one photograph album.

The Marcel Breuer papers, 1920-1986, contain biographical material, correspondence, business and financial records, interviews, notes, writings, sketches, project files, exhibition files, photographs, and printed material that document the career of architect and designer Marcel Breuer.

The records of New York art gallery Terry Dintenfass, Inc. date from 1947 to 1987, with the bulk of the collection dating from 1961 to 1983, and measure 22.1 linear feet. The records are comprised of administrative files, correspondence, exhibition files, artists' files, and financial records.

The papers of painter Houghton Cranford Smith measure 2.2 linear feet and date from 1890-1991. They consist of eight scrapbooks compiled by his widow containing correspondence with family and friends, biographical materials, sketches, school work, extensive clippings, exhibition catalogs, travel documents and numerous photographs of family and friends.

Collection documents the professional career and business interests of inventor Serge A. Scherbatskoy, who specialized in petroleum geophysics. Papers include laboratory notebooks, license agreements, correspondence, blue line prints, patent litigation files, newspaper clippings, reference files, patents, promotional literature, and audio-visual materials.