This collection consists of archival materials compiled by National Museum of American History Curator Katherine Ott, on numerous subjects relating to disability and the rights of the disabled.

The records document the work of consulting engineers and bridge builders, Ralph Modjeski (1861-1940) and Frank Masters (1883-1974) of Harrisburg, Pennsylvania.

The records of the Allan Frumkin Gallery, a Chicago and New York City gallery, measure 25.6 linear feet and date from 1944-2016 with one letter pertaining to artwork documentation dating from 1880. The collection documents the gallery's activities through administrative files, dealer and client correspondence, artist files, financial records, gallery newsletters, printed material, and photographic material. Artist files represent over one-third of the collection and provide insight into the close relationship between Frumkin and many of the gallery's major artists including Robert Arneson, Luis Cruz Azaceta, Jack Beal, Joan Brown, Colin Lanceley, Maryan, Roberto Matta, Philip Pearlstein, Peter Saul, H.C. Westermann, and William T. Wiley. Also included in the collection are the Frumkin Family papers, consisting of writings by Allan and wife Jean Martin Frumkin, editorial copy of Art Book Review, personal papers, and material relating to the Frumkin personal art collection and estate.

The records of Parish Gallery, located in Washington, D.C., measure 6.4 linear feet and 11.73 gigabytes and date from 1940 to 2013, with the bulk of the collection dating from 1991 to 2013. This collection consists primarily of exhibition files, but also includes administrative files, as well as some biographical material related to Norman Parish's career before opening the gallery.

The Dodie Kazanjian and Calvin Tomkins research materials on Alexander Liberman measures 7.8 linear feet and date from 1927-1999. The collection contains sound recordings of interviews, interview transcripts, correspondence, biographical material, clippings, and some photographs. The papers and recordings were predominantly compiled during Kazanjian and Tomkin's preparation for their book, Alex: The Life of Alexander Liberman (1993).

The papers of jewelry designer and metalsmith Miye Matsukata measure 13.45 linear feet and date from circa 1900 to 1982, with the bulk of the material dating from 1964 to 1981.The papers include correspondence, interviews, journals, writings and lectures, exhibition files, Janiye business records, printed materials, scrapbooks, artwork, sketchbooks, and photographic materials that document Matsukata's work as a jeweler and owner of Janiye, an atelier located in Boston, Massachusetts.

Floyd Levin was a Los Angeles textile manufacturer who turned his passion for jazz into a second career as an influential jazz journalist and historian. The collection consists of research materials including biographical files. In addition, there are numerous photographs that were taken and collected by Levin.

The records of San Francisco Focus Gallery measure 11.8 linear feet and date from 1963-1987. The bulk of the collection consists of exhibition files. There are also artists files, sales information, correspondence, and scattered records of the gallery's companion bookshop.

The papers of New York painter and educator Marcia Marcus measure 8.42 linear feet and .389 gigabytes (1 computer file), and date from 1928-2016, with the bulk of the materials dating from 1950-2000. The papers include biographical material, correspondence, interviews, writings (including two diaries), project files, personal business records, printed material, photographic material, eight sketchbooks, and artwork. Extensive personal and professional correspondence is with her husband and close friends, galleries, museums, and other arts organizations. Notable correspondents include Sally Avery, Dody Müller, and Robert (Bob) Richenburg, and, to a lesser extent, Dorothy Gill Barnes, Elaine Benson, Elaine de Kooning, Grace Hartigan, and Myron Stout. Photographic material includes photographs of Marcus at all stages of her life and photographs and slides documenting her paintings.

The papers of New York and Connecticut painter Peter Blume date from 1870 to 2001 and measure 7.6 linear feet. Found are biographical materials; correspondence with family, friends, colleagues, galleries and institutions, and writers; writings on art by Blume and others; subject files regarding organizations, works of art, exhibitions, and reference files; personal business records; printed material; two scrapbooks; photographs of Blume, family, friends, and works of art; extensive artwork; and material relating to Blume's wife's family, the Cratons.