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 Beals papers in the National Anthropological Archives include field notes, correspondence, printed materials, copies of historical documents, drafts and final manuscripts of writings, photographs, and cartographic materials. Most relate to research projects and sometimes include materials of colleagues and assistants. Especially notable is the abundant material regarding Oaxaca markets. There are some materials relating to aspects of Beals's career other than his research but they are generally widely distributed throughout the collection. Materials relating to events that happened to occur at the time of certain field work are often interfiled with the material relating to that certain field work. There are also some personal materials included. Conspicuously missing from the papers are notes on Beals's archeological work, which he has retained. There are relatively few materials relating to his teaching career, although some of the letters exchanged with Alfred Louis Kroeber concern the establishment of anthropology at the University of California at Los Angeles; and correspondence with students in the field concerns teaching as well as research activities. A typesript of notes on the Nisenan are at the Bancroft Library of the University of California at Berkeley. Some of the letters concern Elsie Clews Parsons and Carlos Castenada.

These records contain correspondence, memoranda, and related material concerning the administration of bureaus listed above, as well as material concerning relationships with other Smithsonian offices. Also included are some files from Blitzer's previous position as Director of the Office of Education and Training.

The records of the Carnegie Institute, Museum of Art measure 265.8 linear feet and date from 1883-1962, with the bulk of the material dating from 1885-1940. The collection includes extensive correspondence between the museum's founding director, John Beatty, and his successor, Homer Saint-Gaudens, with artists, dealers, galleries, collectors, museum directors, representatives abroad, shipping and insurance agents, and museum trustees. The collection also includes Department of Fine Arts interoffice memoranda and reports; loan exhibition files; Carnegie International planning, jury, shipping, and sale records; Department of Fine Arts letterpress copy books, and a copy of the original card catalog index to these records.

The records of Jacques Seligmann & Co. measure approximately 203.1 linear feet and date from 1904 to 1978, with bulk dates from 1913 to 1974. The collection includes extensive correspondence files, reference material on American and European collectors and their collections, inventory and stock records, financial records, exhibition files, auction files, and the records of subsidiary companies. The collection is an invaluable resource in tracing the provenance of particular works of art and provides a comprehensive view of the activities of collectors and art dealers in the years leading up to and following World War II.

These records document the tenure of Joshua C. Taylor as Director, 1970-1981, with small amounts of materials from 1960s. Additionally some records date back to 1934. In addition there is a folder of correspondence with David E. Finley dated 1938-1977. Included are files on museum offices, Smithsonian offices, various art commissions, other museums, events …

The Technical Reference Files comprise an artificial collection that currently contains 1,900 cubic feet of aviation and space related materials, organized in 22 subject series. File materials include photographs, press releases, clippings, correspondence, reports, and brochures, on individuals, organizations, events, and objects.

The papers of Joseph Cornell (1903-1972) measure approximately 24.9 linear feet and date from 1804 to 1986 with the bulk of the material dating from 1939-1972. The collection documents the life, work, interests, and creative activities of the self-taught artist, who was best known for his shadow box constructions, assemblages, and collages. Papers include correspondence, diaries, source material, notes, writings, photographs, printed material, two- and three-dimensional ephemera, art works, and books, as well as a limited amount of legal and financial records, and some miscellaneous personal and family papers. The collection also includes the papers of his sister, Betty Cornell Benton, relating to the handling of Cornell's estate and the personal papers of his brother, Robert Cornell.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Calendars forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana

The records of New York City Kraushaar Galleries measure 106.3 linear feet and 0.181 GB and date from 1877 to 2006. Three-fourths of the collection documents the gallery's handling of contemporary American paintings, drawings, and sculpture through correspondence with artists, private collectors, museums, galleries, and other art institutions, interspersed with scattered exhibition catalogs and other materials. Also included are John F. Kraushaar's estate records; artists' files; financial ledgers documenting sales and gallery transactions; consignment and loan records; photographs of artwork; sketchbooks and drawings by James Penney, Louis Bouché, and others; and two scrapbooks. There is a 6.0 linear foot unprocessed addition to this collection donated in 2022 that includes correspondence with artists, galleries, organizations and individuals regarding works of art, filed alphabetically by year. Materials date from circa 1959-1999, with the bulk from 1990-1999.