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 modern and contemporary art gallery records of the Susan Conway Gallery in Washington, D.C. measure 23.9 linear feet and 0.001 GB and date from circa 1928, circa 1940s-2003, with the bulk of the material dating from 1987-2003. Nearly half of the collection documents the gallery's work as the sole representative of artist and political cartoonist Pat Oliphant through administrative records, exhibition files, press clippings, and a handful of photographs. Also found in the collection are artists' files of other artists represented by the gallery, client files, administrative records, printed and digital materials, and the records of the Susan Conway Conservation Studio.

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 Victor D. Spark papers measure 22.2 linear feet and date from circa 1830 to 1983, with the bulk of the material from 1930 to 1970. The papers document Spark's career as a New York City art dealer and appraiser who was most active from World War II through the 1970s, focusing on Old Masters paintings and 19th and early 20th century American art. Found within the papers are biographical materials, artist files, client files, financial records, legal records, printed material, and photographs.

The Leo Castelli Gallery records measure 215.9 linear feet and 0.001 GB and date from circa 1880-2000, with the bulk of the materials dating from the gallery's founding in 1957 through Leo Castelli's death in 1999. The major influence of dealer Leo Castelli and his gallery on the development of mid-to-late twentieth century modern art in America is well-documented through business and scattered personal correspondence, administrative files, exhibition files, extensive artists' files and printed materials, posters, awards and recognitions, photographs, and sound and video recordings. Also included are records for the subsidiary firms of Castelli Graphics and Castelli/Sonnabend Tapes and Films.

The records of New York City's National Academy of Design measure 92.7 linear feet and date from 1817-2012. The records pertain to all three constituents of the tripartite organization consisting of the Academy, a membership body of artists founded in 1825; the school, founded at the same time to promote arts education; and the exhibition program, inaugurated in 1826. Extensive administrative records include minutes, committee files, director files, annual reports, constitutions, and correspondence and subject files of council officers. Exhibition records, also substantive, date to the Academy's first annual exhibition and include gallery and special exhibitions, as well as exhibitions at the Academy's museum, established in 1979. The collection also includes gifts and funding files, especially relating to endowments and prizes; membership records; National Academy Association records; Ranger Fund assignments; extensive files pertaining to the school's administration, courses of instruction, registrations, and attendance; twenty scrapbooks containing clippings and ephemera; Society of American Artists records; correspondence and ephemera from other organizations; transcripts from oral histories with Academy members; extensive photographic material documenting artists, members, the school, exhibitions, buildings, and artwork created by Academy members; artist files containing correspondence, writings, and sketches from those associated with the Academy; and assorted printed material and ephemera.

The C. J. (Clarence Joseph) Bulliet papers measure 34.6 linear feet and are dated circa 1888-1959. Biographical materials, correspondence, writings, subject and artist files, printed material, photographs, and artwork document the career of the influential Chicago art critic and writer. The records contain extensive information about art and artists in Chicago and the Midwest from the early to mid-twentieth century.

The Carlen Galleries, Inc., records measure 10.4 linear feet (gift portions) and date from 1775 to 1997 (bulk 1940-1986). Correspondence, business records, subject files, a scrapbook, printed matter, and photographs document the operation and activities of Carlen Galleries, Inc., and its founder Robert Carlen.

These records consist primarily of exhibition files, 1952-1981, for shows no longer traveling. The exhibitions are developed and organized by SITES and produced by both the Smithsonian's Office of Exhibits Central and outside sources. Exhibition themes cover the fields of art, history, and science, as well as current events. Also included …

This collection of miscellaneous photographs is comprised of photographs that were donated individually and are not part of a larger manuscript or archival collection, or photographs cataloged individually when the provenance is unknown.