The papers of Boston portraitist and painter Polly Thayer (Starr) (1904-2006) measure 21.6 linear feet and 0.807 GB and date from 1846 to 2008, with the bulk of the materials dating from 1921-2008. The papers document Thayer's personal life and career as a painter, portraitist, and pastel artist. Found within the papers are biographical materials, extensive family papers, correspondence with artists and art venues, interviews, writings, subject files, organization files, exhibition files, art inventory records, printed and digital materials, five sketchbooks, artwork, and photographs.

The papers of art historian and museum curator W.G. (William George) Constable measure 25.7 linear feet and date from 1905 to 1981, with the bulk of the material from 1920 to 1976. The papers include biographical material; professional and personal correspondence; extensive lectures, writings, and notes; exhibition and book research files; printed materials; and photographs, glass plate negatives, and slides. There is substantive correspondence related to Constable's participation in the American Defense Harvard Group and about the formation of the Roberts Commission, including correspondence with Ralph Perry, Hugh Hencken, Paul Sachs and George L. Stout. There are numerous official reports prepared by Constable after World War II for the U. S. Office of Military Government for Germany.

The papers of art historian, curator, and educator Patricia Hills measure 47.5 linear feet and 0.113 GB and date from circa 1900-2022, bulk 1968-2009. Central to this collection are project files documenting professional work that resulted in lectures, publications, exhibitions, art history courses on numerous artists including Alice Neel, Jacob Lawrence, May Stevens, Rudolf Baranik, and John Singer Sargent. These files and files documenting Hills's tenure at the Whitney Museum of American Art include planning documents, research files, correspondence, manuscripts and accompanying publications, as well as other printed materials. Some of this material is in digital format. The collection also contains correspondence with art historians, artists, curators, and others, notably Lawrence Alloway, Lowery Stokes Sims, Lucy R. Lippard, T.J. Clark, Leon Golub, and Donald Kuspit; professional files documenting grants and residencies awarded and consulting work; artist and subject files; other writings; and printed and digital material. Membership and affiliation records document Hills' service to the profession, including Women's Caucus for Art and the Visual Culture/Art History Caucus of the American Studies Association. There is an 8.4 linear foot unprocssed addition to this collection donated in 2022 that includes Patricia Hills' research material regarding Eastman Johnson, consisting of biographical information; professional correspondence; printed material; institutional, exhibition, subject and genre files for Eastman Johnson's works of art; photographs of works of art; writings and lectures; catalog cards; and files regarding works not by Johnson.

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 collection documents through correspondence, reprints of general articles, reports of Congressional committees, and materials relating to a U.S. patent and testimonials Morton's claims to priority in the discovery of the anesthetic properties of ether in medical and surgical procedures.

The papers of painter Max Bohm measure 5.6 linear feet and date from 1873-1970, with the bulk of the material dating from 1880-1959. Biographical material includes a file concerning the Provincetown artist's club The Beachcombers. Also found is detailed family correspondence, as well as general correspondence that includes exchanges with patron Mary Beecher Longyear and dealer William Macbeth. The papers contain scattered business records; five diaries written by Bohm's wife Zella; other notes and writings; art work including fifteen sketchbooks, loose drawings, and oil paintings; printed material; and photographs of Bohm, his family, and colleagues including artists attending a Salmagundi dinner. There is also a motion picture film Six Foot Art, in Which Max Bohm, Member of the National Academy Tells How He Does It.

Biographical material (1945-1965), letters (1917-1979), notes (1950-1970), writings (1944-1970), business records (1927-1977), art works (1932-1964), subject files (1952-1955), scrapbook (1927-1939), printed material (1923-1977), and photographs (1922-1968) documenting Botkin's career and his friendship with George and Ira Gershwin and other entertainment and artistic figures.

Primarily exhibition catalogs for modernist art exhibitions held in New York City during the first two decades of the twentieth century. Also included are catalogs for Boston exhibitions, mainly pre-1900, and a few other locales; exhibition announcements; gallery publications; and other printed material.

The papers of realist painter, muralist, and educator Leon Kroll date from circa 1900 to 1988 and measure 8.7 linear feet. The collection documents Kroll's painting career, teaching, and active participation in numerous art organizations. Over one-half of the collection is correspondence with artists, schools, galleries, museums, patrons, arts organizations, and others. Also found are scattered biographical material, writings and notes, legal and financial records, exhibition catalogs, clippings, other printed material, photographs of Kroll and colleagues, loose drawings and nine sketchbooks.

Records of four of Nathan Halper's Provincetown galleries measure 4.2 linear feet and date from 1952-1979. The records relate to Kootz Gallery, H-C Gallery, HCE Gallery, and Sun Gallery - all based in Provincetown. The bulk of the collection consists of correspondence with artists, estate executors, collectors, galleries, and museums. There are also scattered business and financial records documenting operations and sales, photographs and slides, printed materials, and one poem. Correspondents include Milton Avery, Anthony Caro, John Murray Cuddihy, Marsden Hartley, Hans Hoffman, Samuel Kootz, Robert Motherwell, David Smith, Richard Stankeiwicz, and many others.