The AC Project Room records measure 12.2 linear feet and date from 1965-2012. The collection documents the gallery's exhibitions and co-founder Paul Bloodgood's efforts to promote the work of artists such as Doug Aitken, Michel Auder, Paul Bloodgood himself, Robert Breer, Anne Chu, Aki Fujiyoshi, Isa Genzken, Joseph Grigely, Paula Hayes, Kim Jones, Byron Kim, Christina Mackie, Josiah McElheny, Arpiani Pagliarini, Kathleen Schimert, Jane and Louise Wilson, among others. The bulk of the collection dates from 1989-2001 and consists of exhibition files, artists files, guest books, press files, photographs, gallery administration and financial documentation, and sales and inventory records.

The papers of Boston painter Edmund Charles Tarbell measure 7.2 linear feet and date from circa 1855-circa 2000, bulk 1885-1938. The collection includes biographical material, correspondence, writings, diaries, personal business records, printed material, photographs, albums, glass plate negatives, and a scrapbook.

A wide range of dated ephemeral material collected by Gladys Reid Holton covering the period circa 1800 to circa 1978.

The Paul Hollister papers measure 9.4 linear feet and date from circa 1883 to 2004, with the bulk of the papers from 1947-1996. Biographical material and correspondence both personal and professional are included, in addition to project files documenting various writing, teaching and curatorial projects, as well as ongoing working relationships with various institutions. Also included are topical projects that overlapped with specific research interests, containing a considerable amount of research material. Writings by Paul Hollister include manuscript material spanning the breadth of his professional writing career, from his work as a columnist, to his articles on glass, as well as some works of fiction. Also included is a full manuscript of one of Hollister's books on glass paperweights. The published portion of this content is mirrored in the printed material series. The business records of Paul Hollister contain financial information about his household and collections, as well as his family's estate. Also included are records relating to Paul Hollister's art studio and an inventory of his paintings and other works of art in the form of index cards. Select photographs of Hollister's collection of art objects are included, along with images of Paul and Irene Hollister.

The records of Castelli Graphics measure 45.7 linear feet and date from 1965 to 2001. Administrative files, correspondence, exhibition and project files, artists' files, financial and legal records, inventory and stock records, printed materials, and photographic materials document the activities of the New York art gallery and publishing firm founded by Antoinette Castelli.

The papers of African American conceptual and performance artist Senga Nengudi measure 12.8 linear feet and 11.24 gigabytes and date from circa 1962 to 2017, with a folder of printed material dating from 1947. The collection contains biographical material including education and family records, the kimono Nengudi wore during her wedding to Ellioutt Fittz, certificates, interview transcripts, and address books; calendars and journals chronicling Nengudi's appointments, thoughts, and artistic practice; and correspondence with friends and other artists including Maren Hassinger, Cheryl Banks, and David Hammons. Also included is family correspondence, including letters between Senga Nengudi (then Sue Irons) and her mother when Nengudi was living in Japan. The collection also contains writings by Senga Nengudi and others; material related to professional activities including teaching files, gallery files, and files related to exhibitions, projects, and performances; printed material including exhibition and event announcements and catalogs, clippings, magazines, and other published material; a scrapbook primarily containing photographs and printed material; photographic material depicting Senga Nengudi, works of art, and other individuals; artwork by Nengudi and others, including Maren Hassinger; and audio and video recordings, including recordings of performances.

This collection is an amalgamation of letters written and recieved by prominent figures in 19th and 20th century American Art. Included in the collection is a significant portion of letters from Abbott Thayer to correspondents from his circle of family, friends and art world figures such as Maria Oakey Dewing and Samuel Coleman.

This collection contains the personal and professional papers of Dorothy Shaver, one of the best-known female executives in the 1950s; Shaver became the first female president of Lord & Taylor in 1945.

The Rockwell Kent papers measure 88.0 linear feet and date from circa 1840 to 1993 with the bulk of the collection dating from 1935 to 1961. The collection provides comprehensive coverage of Kent's career as a painter, illustrator, designer, writer, lecturer, traveler, political activist, and dairy farmer.

Most of Ruth Landes's papers relate directly or indirectly to Landes's American Indian research, her work in Brazil, and her study of bilingualism. There is also a considerable amount of material that relates to her experiences (sometimes fictionalized) at Fisk University. There is only small amount of material related to her other interests. Her collection also has material of and relating to the Brazilian folklorist and journalist Edison Carneiro. There is also noteworthy material concerning Herbert Baldus, Ruth Benedict, Elmer C. Imes, Charles S. Johnson, and Robert E. Park. There is a large amount of printed and processed materials in the collection, mainly in the form of newspaper clippings and a collection of scholarly papers.