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

The papers of African American artist and educator Jeff Donaldson measure 12.5 linear feet and 0.003 GB and date from 1918 to 2005, with the bulk of the records dating from the 1960s to 2005. The collection documents Donaldson's work as a professional artist, his academic career at Howard University, and his leadership role in the Black Arts Movement through biographical material, a small amount of professional and personal correspondence, personal business records, writings by Donaldson and others, research files, artist files, sound recordings of interviews Donaldson conducted with over 40 artists, teaching files, exhibition files, printed and digital material, and photographs. Also found are detailed records of his professional activities and leadership roles in AfriCOBRA, CONFABA, FESTAC, and the Organization of Black American Culture (OBAC), including documentation on the Wall of Respect mural.

The papers of government arts administrator and novelist Livingston L. Biddle, Jr. (1918-2002) measure 40.2 linear feet and date from circa 1940 to 2002. The papers are comprised of biographical materials, correspondence, interviews, writings, numerous files reflecting his work to establish the National Endowment for the Arts (NEA), political committee files, personal legal records, printed materials, scrapbooks, and photographs. Throughout the collection are video and sound recordings.

The records of the Office of Program Support, National Museum of American Art, 1965-1981, with related records from 1947, were received in the Archives from 1981 through 1994.

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 art historian and writer Peter Howard Selz measure 31.5 linear feet and 0.696 GB 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 and digital materials, and nine scrapbooks.

The records of the Howard Wise Gallery in New York, and its predecessor the Howard Wise Gallery of Present Day Painting and Sculpture in Cleveland, Ohio, measure 11.4 linear feet and date from 1943-1989. Records consist of correspondence, artist files, exhibition files, business records, writings, and video recordings that document the activities of Wise's gallery in Cleveland from 1957-1961 and, to a lesser extent, his gallery in New York City from 1960-1970. Wise's activities following the closing of the Howard Wise Gallery are also found among the correspondence, artist files, business records, writings, and video recordings.

The collection, which dates from 1961 to 2004 and measures 11.16 linear feet, documents the career of artist, curator, and museum technician Edith T. Martin. The papers in the collection include education documents, professional correspondence, sketches, promotional material, news clippings, newsletters, catalogues/magazines from exhibits and arts organizations, and exhibit photographs and slides.

The records of the New York City gallery Thread Waxing Space measure 36.7 linear feet and 3.86 GB and date from 1980s-2001 (bulk 1991-2001). Exhibitions and events held at the gallery are documented through correspondence, artists' bios, printed and digital materials, shipping records, photographic materials, audiovisual materials, and other administrative records. Also found are a handful of artist research files, clippings, and press books.

The records of the Washington Gallery of Modern Art measure 15.7 linear feet and 0.523 GB and date from 1959 to 1992. The records document the history of the gallery through Board of Directors meeting minutes, various committee meetings minutes and agendas, bylaws, and other trustee records; correspondence and other materials associated with each of the four gallery directors over the course of the gallery's existence; general correspondence; exhibition files, proposed exhibitions, collection files, and other curatorial and registrar records; financial records; development and membership records; tour guide information, gift shop finances and orders, and other museum services; and clippings, catalogs, and other printed and digital material.