The papers of New York City art entrepreneur, curator, and journalist Joan Kron date from 1959 to 1971 and measure 1.4 linear feet. The papers include correspondence, scattered financial records, notes and writings, printed material, photographs, a sound and video recording, and project/exhibition files concerning Kron's involvement in the 1960s with the exhibtions of the Arts Council of the Young Men's/Women's Hebrew Association (YM/WHA)of Philadelphia and her business, the Beautiful Bag and Box Co.

The papers of Dore Ashton measure 35.6 linear feet and date from circa 1928-2014, with one letter in the Joseph Cornell subject file dating from 1849. The records document Dore Ashton's career as an art critic, historian and educator, with particular depth for the period of 1952 through 1990. The collection contains a small amount of biographical material, as well as correspondence, writings, subject files, printed materials, artwork, and reference photographs of artworks. An addition to the Dore Ashton papers includes biographical material, correspondence, writings, writing project and subject files, teaching files, printed material, artwork and sketchbooks, and photographic material.

The papers of art historian and writer Peter Howard Selz measure 31.5 linear feet and date from 1929 to 2018, with the bulk of the materials from 1950 to 2005. The papers document Selz's long career via correspondence, writings, professional files, project files, membership and association records, artists' research files, exhibition files, personal business records, printed materials, and nine scrapbooks.

The Dorothy Gees Seckler collection of sound recordings relating to art and artists measures 1.6 linear feet and dates from 1962 to 1976. Recordings include 17 interviews conducted by Seckler, one interview by John Jones, and 17 additional recordings of mostly contemporary art-related programs and interviews taped from radio and television broadcasts. Recordings are on 26 sound cassettes and 25 sound tape reels.

The Howard W. and Jean Lipman papers measure 46.6 linear feet and span the years 1916 to 2000, with one brochure maintained in a research file dating to 1848. The bulk dates for the collection are 1932 to 1992. The papers primarily concern the art collecting activities and interests of the Lipmans which included modern American sculpture, American folk art, and other contemporary American paintings. Found within the papers are correspondence files, notes and printed material that served as research and reference material, along with financial material. The collection also contains writings, notes, and editorial material used by Jean Lipman in her dual roles as an editor for Art in America magazine and as a respected art critic and author.

The Dwan Gallery records measure 2.3 linear feet and consist primarily of files of exhibitions curated by Virginia Dwan at Dwan Galleries in Los Angeles (1959-1967) and New York (1965-1971). Found within this nearly comprehensive set of exhibition files may be lists of exhibited works, price lists, photographs, slides or color transparencies of installations, invitations, full-size posters, magazine and newspaper clippings and exhibition catalogs.

The papers of educator, painter, and art historian William Chapin Seitz measure 32.5 linear feet and date from circa 1930-1995. The collection includes biographical information, correspondence, notebooks, subject and people files, thesis research files, interviews and lecture recordings, teaching files, personal business records, scattered printed materials, photographs, and artwork. The bulk of the papers focus on Seitz's research and teaching career.

The papers of New York editor and art critic Thomas Hess measure 10.0 linear feet and date from 1939 to 1978. The collection includes biographical materials, correspondence, extensive writings and notes, artists and subject files that also include recorded conversations with artists and others, printed materials, photographic materials, and artwork.

The Leo Castelli Gallery records measure 215.9 linear feet 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.

These records document the planning, development, and installation of exhibitions by the Department of Painting and Sculpture, Hirshhorn Museum and Sculpture Garden (HMSG). Included are biographical and bibliographical research files on artists; correspondence with museums, galleries, and artists concerning loan of artwork; loan reports; ...