The papers of curator, art historian, and author Judith Zilczer measure 0.4 linear feet and date from 1910-1995, with the bulk of material dated 1973-1995. The papers contain project files and related correspondence, unpublished manuscripts, photographs, and printed material documenting her research as an independent art historian.

The Walt Kuhn Family papers and Armory Show records measure 33 linear feet and date from 1859 to 1984, with the bulk of material dating from 1900 to 1949. Papers contain records of the legendary Armory Show of 1913, also known as the International Exhibition of Modern Art, which introduced modern European painting and sculpture to the American public. Papers also contain records of the Association of American Painters and Sculptors (AAPS), the artist-run organization that mounted the Armory Show; records of the New York artists' clubs the Kit Kat Club (founded 1881) and the Penguin Club (founded 1917); and the personal and family papers of New York artist Walt Kuhn (1877-1949), one of the primary organizers of the Armory Show. An unprocessed addition of 2.1 linear feet with material dating from 1894-1984 is comprised of personal and professional correspondence, assorted printed material, photographic material of Kuhn and his artwork, and several artifacts including a make-up box, clown cloak, and three copper printing plates of Kuhn's paintings.

These papers reflect the professional lives of Alice Cunningham Fletcher (1838-1923), an ethnologist with the Peabody Museum of Harvard and collaborator with the Bureau of American Ethnology, and Francis La Flesche (1856-1923), an anthropologist with the Bureau of American Ethnology. Due to the close professional and personal relationship of Fletcher and La Flesche, their papers have been arranged jointly. The papers cover the period from 1874 to 1939. Included in the collection is correspondence, personal diaries, lectures, field notes and other ethnographic papers, drafts, musical transcriptions, publications by various authors, maps and photographs.

Originally assembled by the Metropolitan Museum of Art for study purposes, this collection is comprised of 2,790 black-and-white photographs documenting the work of 250 sculptors.

The papers of New York artist, critic, historian, writer, art consultant and curator Walter Pach, measure 20.7 linear feet and date from 1857-1980. The collection documents Pach's promotion of modernism through his role in the landmark 1913 Armory Show, his relationships with artists and art-world figures and his extensive writings on art. Records include biographical material, correspondence with family, friends and colleagues including noted artists, handwritten and edited versions of manuscripts by Pach, diaries and journals, business records, printed material, scrapbooks, sketchbooks and artwork by Pach and others, and photographs of Pach and his family, friends, and colleagues. The collection also includes 12 linear feet of selections from Walter Pach's library.

The records of the Downtown Gallery date from 1824 to 1974 (bulk 1926-1969) and measure 109.56 linear feet. The records present a comprehensive portrait of a significant commercial gallery that operated as a successful business for more than forty years, representing major contemporary American artists and engendering appreciation for early American folk art. There is an unprocessed addition to this collection dating circa 1970 of a single financial/legal document.

The records of the American Federation of Arts (AFA) provide researchers with a complete set of documentation focusing on the founding and history of the organization from its inception through the 1960s. The collection measures 79.8 linear feet, and dates from 1895 through 1993, although the bulk of the material falls between 1909 and 1969. Valuable for its coverage of twentieth-century American art history, the collection also provides researchers with fairly comprehensive documentation of the many exhibitions and programs supported and implemented by the AFA to promote and study contemporary American art, both nationally and abroad.

The papers of painter and writer James Britton measure 2.9 linear feet and date from circa 1905-1984, with the bulk of the material dating from circa 1905-1935. The bulk of the papers consist of 49 diaries dating from 1918-1935, plus notebooks of diary excerpts, that chronicle Britton's daily activities and include lists, illustrations, and drafts of correspondence. Additional papers include biographical information compiled by the Britton family; scattered business and financial records; correspondence, including copies of Britton's letters to the editors of the Hartford Courant and the Hartford Times; additional writings and notes that include drafts and manuscripts of an autobiography, drafts of articles for his publication Art Opus, and other writings; sketches and a woodcut print; printed materials, including clippings of his published writings for Art Review International, Book Notes, and Opus; and one photograph of Britton and of works of art.

The records of the Doll & Richards gallery of Boston measure 87.5 linear feet and date from 1863 to 1978, with the bulk of the material dating from 1902-1960s. Extensive financial and sales records, inventory records, and correspondence and letter books provide a detailed account of the business operations and sales of the gallery. Also found are notes and research files on artists and paintings, business and legal records, exhibition catalogs, six exhibition scrapbooks, printed materials, and photographs. Significant correspondents include John Chetcuti, Robert Freiman, Lloyd Goodrich, Tod Lindenmuth, Macbeth Galleries, William Meyerowitz, Museum of Fine Arts Boston, Stanley Woodward, and Andrew Wyeth, among many others.

This collection contains the professional papers of William Curtis Sturtevant and documents his activities as Curator of North American Ethnology at the National Museum of Natural History, his work as the editor-in-chief of the Handbook of North American Indians, his research among the Seminole and Iroquois people, and other professional activities. The collection is comprised of books, sound recordings, research and field notes, realia, artifacts, clippings, microfilm, negatives, slides, photographs, manuscripts, correspondence, memorandums, card files, exhibition catalogs, articles, and bibliographies.