The papers of painter and naturalist, Abbott Handerson Thayer, and the Thayer family date from 1851 to 1999, with the bulk of the material dating from 1881 to 1950, and measure 5.12 linear feet. Thayer's painting career, interest in concealing coloration (camouflage) in nature, and relationships with artists, patrons, family, and friends are documented through correspondence, writings, scattered legal and financial records, printed materials, and a scrapbook. Photographs are of Thayer, his family, studio, and friends, including artists. The collection also contains family papers created by his second wife, Emma Beach Thayer, his son Gerald, his daughters Mary and Gladys, and Gladys' husband David Reasoner, who managed Thayer's estate after his death.

The collection is a compilation of gifts from numerous donors, of documents relating to Judaism in numerous countries and the United States. Documents include betrothal contracts, bills of divorcement, eulogies, memorial plaques, candle labels, Jewish calendars, sukkah decorations, certificates of ritual slaughter, prayers, poems, sermons, and othe...

The papers of sculptor, painter and printmaker Worden Day (1916-1986) measure 2.5 linear feet and date from 1935-1986. The collection consists of biographical material, correspondence, writings, printed material, scrapbooks, photographic material, sketchbooks, and audiovisual material.

The papers of painter and art critic Guy Pène Du Bois measure 2.0 linear feet and date from circa 1900 to 1963 with the bulk of the materials dating from 1920 to 1963. Found within the papers are biographical material; personal and professional correspondence, including letters from Royal Cortissoz and Edward Hopper; writings, including essays, journals, short stories, and drafts of the autobiography Artists Say the Silliest Things; personal business records; printed material; and artwork.

The papers of Philadelphia art historian and writer Charles Henry Hart date from 1774-1930, bulk 1888-1918, and measure 6.1 linear feet. Found within the papers are correspondence, subject files, scattered personal business records, a file of images of art work, notes and writings, and printed material. The subject files include letters from art historians, art collectors, dealers, and gallery owners.

The papers of California and New York painter Ethel Fisher measure 12.5 linear feet and date from 1930 to 2017. Included are biographical materials, correspondence, writings, project files, exhibition files, artists' files, personal business records, printed material, artwork and several sketchbooks, a few sound and video recordings, and photographic material.

The papers of painter, printmaker, and educator Will Barnet date from 1897 and 1929-2016. The collection measures 30.7 linear feet and 7.24 gigabytes. Found within the papers are biographical material, including numerous recorded interviews of Barnet; personal and professional correspondence; writings and lectures; financial records; printed material; artwork; and photographs of Barnet, his family and friends, and his work. An addition received in 2016 includes biographical material, correspondence, writings, diaries and daybooks, gallery and exhibition files, project and professional files, printed material, and photographic material.

The papers of Southern California painter Stanton Macdonald-Wright measure 3.2 linear feet and date from 1907 to 1973. The collection contains correspondence with family, friends, and artists, including Morgan Russell, and his wife Suzanne Binon, Michel and Suzanne Seuplor, Ann and John Summerfield, and Bethany Wilson. Also found are writings, six diaries, travel journals, printed materials, and artwork.

The Bertha Schaefer papers and gallery records measure 4.6 linear feet and date from 1909-1975, with the bulk of the material dating from 1940-1965. The collection documents the Bertha Schaefer Gallery as well as Bertha Schaefer, the interior designer, through correspondence with artists and galleries, artist files, client files, exhibition material, printed material, financial material, biographical material, photographs, and six scrapbooks.

The Boris Mirski Gallery records measure 6.2 linear feet and date from 1936-2000, bulk 1945-1972. They include gallery administrative files; artist files including correspondence, exhibition and loan paperwork as well as photographic documentation of artwork; gallery correspondence; financial materials including outgoing and incoming invoices and sales records; printed materials promoting the gallery and its artists; press materials; and a number of photographs of Boris Mirski at events and with others, as well as photographs of artwork. Artists particularly well represented in the collection include David Aronson, Leonard Baskin, Hyman Bloom, Esther Geller, Rico Lebrun, Michael Mazur, Arthur Polonsky, Ben Shahn, Mitchell Siporin, Barbara Swan, and Karl Zerbe.