The papers of arts administrator Mildred Baker measure 2.7 linear feet and date from 1882 to 1997, with the bulk of the material dating from 1923 to 1997. Found within the papers are biographical materials; personal and professional correspondence; writings; files related to her work on the WPA Federal Art Project and other institutional art projects; printed material; photographs of Baker; and photographs and papers related to the work of her husband, Jacob Baker, who also administered programs for the WPA.

Collection documents the National Photographic Society, an amateur camera club in Washington, D.C.

The records of Printed Matter, Inc., a non-profit artists' book publisher and distributor in New York, measure 24.9 linear feet and date from 1970 to 1990. Documentation on this organization includes artist, distributor, and client files; inventory records; legal and administrative records; general correspondence; ledgers, invoices, and other financial records; files arranged by subject; and architectural drawings of the interior office space. The administrative correspondence scattered across the various series shows Printed Matter's philosophy, operations, and relationships to artists. Many early notes and minutes are in Sol LeWitt's handwriting. Among the names to be found in the files are former staff members Edith deAk, Mike Glier, Nancy Linn, Ingrid Sischy, and Nancy Princenthal; founders Sol LeWitt and Lucy Lippard; and contracted artists, such as Douglas Davis, Heidi Fasnacht, Jenny Holzer, Douglas Huebler, Louise Lawler, Richard Nonas, Martha Rosler, Ed Ruscha, Art Spiegelman, Michelle Stuart, Athena Tacha, and Lawrence Weiner.

Nathaniel Mathis is a Washington, D.C., hairstylist, inventor, motivational speaker, and entrepreneur. His papers document his business life and community involvement.

The collection consists of correspondence, appointment books, business records, music manuscripts, sound recordings, photographs, and ephemera documenting the activities of Duke Ellington and the management of Tempo Music, Incorporated. There is a small amount of material relating to the Ellingotn family.

The Alexander Archipenko papers measure 19.5 linear feet and date from 1904 to 1986, with the bulk of materials dating from 1930 to 1964. The sculptor's personal and professional life is documented by correspondence, financial records, scrapbooks, printed matter, and photographs documenting his art, exhibitions, travel, teaching activities, and the Archipenko Art School. Archipenko wrote and lectured extensively about his philosophies of art and the relationship between art and nature. The papers include drafts, notes, and final manuscripts of published and unpublished writings, and notes, outlines, transcripts, and audio recordings of some of his lectures.

The papers of sculptors and close companions Marion Sanford and Cornelia Chapin measure 2.5 linear feet and date from 1929-1988. The papers include scattered materials created by and about both women, including biographical materials, one folder of correspondence for each woman, a few writings and essays, newsclippings, exhibition catalogs, other printed materials, and four scrapbooks (three about Chapin and one about Sanford). Photographs are of Chapin only and of artwork of both women. There is also one phonograph album transferred onto cassette of a radio interview with Chapin and several motion picture films of Chapin's home movies shot in upstate New York and Paris.

The papers of art historian, curator, and professor Robert Rosenblum measure 38.3 linear feet and 1.17 GB and date from circa 1927 to 2009, with the bulk dating from 1950 to 2006. They include biographical material, extensive personal and professional correspondence; lectures, writings, and writing project files by Rosenblum and others; exhibition files; research reference files; teaching files; personal business records; printed and digital material; photographs; and artwork.

The Jacques Lipchitz papers and Bruce Bassett papers concerning Jacques Lipchitz measure 52.8 linear feet and are dated circa 1910-2001, with the bulk of the material from the period 1941-2001. Papers are comprised of sculptor Jacques Lipchitz's personal papers and filmmaker Bruce Bassett's papers relating to Jacques Lipchitz. Lipchitz's personal papers contain personal and professional correspondence, comprising nearly half of the series, and biographical material, writings by and about Lipchitz, printed material, and photographs documenting Lipchitz's commissions, exhibitions, friendships, and interests. Also found are records relating to the compilation and production of The Sculpture of Jacques Lipchitz: A Catalogue Raisonné by Alan G. Wilkinson. The Bruce Bassett papers relating to Jacques Lipchitz consist mainly of Bassett's extensive audiovisual documentation of Lipchitz's life and art. Also found are paper records related to the audiovisual projects, including letters, business records, printed materials, and production records. A small quantity of material unrelated to Lipchitz is also found among the Bassett material, including video and sound recordings related to Sidney Lifchez, IBM, Isamu Noguchi, the Storm King Sculpture Center, and Auguste Rodin.

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.