The papers of LeRoy Neiman measure approximately 70.5 linear feet and date from 1938-2005. The collection includes biographical materials, correspondence, project files, printed material and artifacts documenting the career of the American painter LeRoy Neiman.

The papers of printmaker and educator Fred Becker measure 3.4 linear feet and date from 1913 to 2004, with the bulk from 1940-2000. The collection documents Becker's work as a professional artist and educator through biographical material, personal and professional correspondence, writings, interviews, personal business records, gallery and exhibition files, project files, photographic material, printed material, and artwork.

The papers of Florida realist sculptor Duane Hanson date from 1935-2006 and measure 12.9 linear feet. Hanson's career is documented through biographical information, personal business records, correspondence, subject files, artwork, writings, printed materials, and photographs. There are numerous letters from the O.K. Harris Gallery and Ivan Karp, Dr. Martin Bush at Witchita State University, and Dewey Hanson.

Photographic prints and copy negatives made by Major Otto Holstein in and around the ruins of Chan Chan, Peru between 1925 and 1926. Some of these photographs were later used by Holstein to illustrate his article publication "Chan-Chan: Capital of the Great Chimu" in the American Geographical Society's publication Geographical Review.

The papers of New York artist, critic, historian, writer, art consultant and curator Walter Pach, measure 20.7 linear feet and date from 1857-1980. The collection documents Pach's promotion of modernism through his role in the landmark 1913 Armory Show, his relationships with artists and art-world figures and his extensive writings on art. Records include biographical material, correspondence with family, friends and colleagues including noted artists, handwritten and edited versions of manuscripts by Pach, diaries and journals, business records, printed material, scrapbooks, sketchbooks and artwork by Pach and others, and photographs of Pach and his family, friends, and colleagues. The collection also includes 12 linear feet of selections from Walter Pach's library.

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.

The papers of rubberstamp and artistamp artist, performance artist, collector of mail art, and fine arts librarian John Held, Jr. date from 1973-2013, and measure 11.9 linear feet. Found within the papers are biographical material, 18 printed diaries, letters received by Held from mail artists around the world, art work consisting of artistamps designed by miscellaneous mail artists, interview transcripts, writings, project and event files, printed material, and mail art sent for the Gutai Historical Survey Exhibition held at the San Francisco Art Institute in 2013.

This record unit consists of project files documenting the repairs, improvement, and renovation of existing Smithsonian buildings. The records include memoranda with Smithsonian offices, correspondence with contractors, blueprints, cost analyses, specifications, and photographs. Buildings and museums documented in this collection include: the...

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 collection measures 45.7 linear feet and and documents the life of American abstract artist, writer, poet, and illustrator Charles Green Shaw. The papers date from 1833-1979 with the bulk of the material spanning 1909-1974 and a single item of ephemera dating from 1686. Records include biographical information and correspondence with family, colleagues and several artists and writers. The papers also contain writings and extensive diaries, sketchbooks and scrapbooks spanning Shaw's entire career, scattered financial records and other printed material.