The papers of collage artist Adeline Herder measure 4.3 linear feet and date from 1942-1999. The collection presents an overview of Herder's personal life and career as a collage artist. Her personal life is reflected through biographical material, correspondence including letters between Adeline and her husband Milton Herder, and writings and notes including appointment books. The collection offers a rich resource on Herder's artistic activity with correspondence that includes documentation of her relationship with Marjorie Jacobson and the purchase of her work by Roy Neuberger and Joseph Hirshhorn. Herder's career is further represented through exhibition files, printed material, writings and notes, and video recordings.

The papers of modernist painter and printmaker George Constant measure 4.6 linear feet and date from 1912-2007, with the bulk of the material dating from 1932-1978. They consist of biographical material, inventories of artwork, audio interviews and recorded statements on art, personal and business related correspondence, holiday cards, printed material, an exhibition related video recording, and photographs of Constant, his family and friends, and his work.

The records of the Waddell Gallery, a contemporary art gallery that was located in New York City, date from 1961 to 1978 and measure 6.5 linear feet. The records include administrative files, correspondence, artists' files, and sales and stock records.

The records of the New York City based Valentine Gallery measure 1.8 linear feet and date from circa 1890 to 1960. The bulk of the material documents the gallery's dealings with artists Louis Eilshemius, John Kane, Henri Matisse, and C.S. Price. Additionally, there is one scrapbook which contains printed materials regarding Valentine Gallery exhibitions from 1925-1936.

The Cleve Gray papers, 1933-2005, measure 8.8 linear feet. Papers include biographical material, alphabetical files, writings, artwork, audio/visual records, artifacts, printed material, and photographs. Extensive alphabetical files contain personal and professional correspondence as well as subject files relating to projects and interests. Especially well-documented are: Gray's involvement with the Vietnam protest movement; and Threnody, his best-known work composed of fourteen large panels lamenting the dead of both sides sides in Vietnam, commissioned by the Neuberger Museum of Art.

The Howard W. and Jean Lipman papers measure 46.2 linear feet and span the years 1916 to 2000, with one brochure maintained in a research file dating to 1848. The bulk dates for the collection are 1932 to 1992. The papers primarily concern the art collecting activities and interests of the Lipmans which included modern American sculpture, American folk art, and other contemporary American paintings. Found within the papers are correspondence files, notes and printed material that served as research and reference material, along with financial material. The collection also contains writings, notes, and editorial material used by Jean Lipman in her dual roles as an editor for Art in America magazine and as a respected art critic and author.

The records of the American Federation of Arts (AFA) provide researchers with a complete set of documentation focusing on the founding and history of the organization from its inception through the 1960s. The collection measures 78.6 linear feet, and dates from 1895 through 1993, although the bulk of the material falls between 1909 and 1969. Valuable for its coverage of twentieth-century American art history, the collection also provides researchers with fairly comprehensive documentation of the many exhibitions and programs supported and implemented by the AFA to promote and study contemporary American art, both nationally and abroad.

The papers of Chicago art conservator, Louis Pomerantz, measure 34.1 linear feet and date from 1937 to 1988, with the bulk of the material dating from the 1950s-1980s. The papers document two principal aspects of Pomerantz's professional life: his conservation work for institutions and individuals, and the development of his professional expertise as documented through his writings and teachings, his continued conservation training, and his involvement in professional organizations. Files include scattered biographical material, professional correspondence, interviews, writings, project and client files, teaching and reference files, printed material, and photographic material primarily documenting conservation treatments and techniques.

The papers of New York painter, writer, and educator Elias Newman measure 1.1 linear feet and date from 1922 to 1981. Newman's participation in exhibitions and various art related organizations, notably Artists Equity Association, is documented through biographical material, correspondence, notes, writings, organizational records, printed material, and photographs.

These records document the governance and programmatic activities of the Museum of the American Indian/Heye Foundation (MAI) from its inception in 1904 until its sublimation by the Smithsonian Institution in 1990. The types of materials present in this collection include personal and institutional correspondence, individual subject files, minutes and annual reports, financial ledgers, legal records, expedition field notes, research notes, catalog and object lists, publications, clippings, flyers, maps, photographs, negatives and audio-visual materials. These materials span a varied range of subjects relating to the activities of the museum which are more fully described on the series level.