The bulk of the collection consists of portraits of identified Native Americans and some government officials and interpreters. It includes cabinet cards, other mounted prints, newspaper articles, illustrations, and a photographic postcard. Depicted individuals include American Horse, Oglala; Black Hawk, Sauk; Bob Tail, Cheyenne; Crowfoot, Hunkpapa...

The records of New York City Kraushaar Galleries measure 100.3 linear feet and 0.181 GB and date from 1877 to 2006. Three-fourths of the collection documents the gallery's handling of contemporary American paintings, drawings, and sculpture through correspondence with artists, private collectors, museums, galleries, and other art institutions, interspersed with scattered exhibition catalogs and other materials. Also included are John F. Kraushaar's estate records; artists' files; financial ledgers documenting sales and gallery transactions; consignment and loan records; photographs of artwork; sketchbooks and drawings by James Penney, Louis Bouché, and others; and two scrapbooks.

The papers of sculptor Hiram Powers measure 12.4 linear feet and date from 1819 to 1953, with the bulk of the material dating from 1835 to 1883. Over two-thirds of the collection consists of Powers' correspondence with business associates, purchasers of his artwork, and numerous friends in the United States and Florence, Italy. Of note is Powers' "Studio Memorandum," from 1841 to 1845, which contains dated notations of letters written, receipts and expenditures, business contacts, works in progress, commissions and price quotations for work, comments on problems encountered during studio work, and other notes. Additional papers include scattered biographical material, financial and legal records, printed materials, photographs of Powers, his family, artwork, as well as an extensive collection of carte de visite and cabinet card portraits of many notable figures. Also found is a small amount of artwork by Powers and others, a scrapbook, and two autograph and memorabilia albums.

The records of the Richard York Gallery, a New York gallery specializing in American art from early 1800s to 1950, measure 79.3 linear feet and date from circa 1865-2005, with the bulk of the material dating from 1981 to 2004. Three-fourths of the records are artists' artwork files, documenting the sale and consignment of nearly 6,500 works of art. The gallery's activities are also recorded through correspondence, client files, gallery invoices, inventories, business and financial records, printed materials, scrapbooks, photographic materials of artwork, and estate records for the John Marin estate and Sergio Stella estate (Joseph Stella). An addition of 10.2 linear feet, dated circa 1865 to 2005, includes artists' files arranged alphabetically containing printed material, clippings, exhibition announcements, and scattered correspondence and financial documents.

This collection is comprised of digital surrogates previously available on the 203 rolls of microfilm described in the NARA publication M1913. These digital surrogates reproduced the records of the Virginia field offices of the Bureau of Refugees, Freedmen, and Abandoned Lands, 1865–1872, including previously unfilmed records of the Virginia staff offices of the quartermaster and disbursing officer, and the subordinate field offices. These records consist of bound volumes and unbound records, including letters and endorsements sent and received, orders and circulars, monthly reports, and other records relating to freedmen's complaints and claims.

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 79.8 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 Rockwell Kent papers measure 88.0 linear feet and date from circa 1840 to 1993 with the bulk of the collection dating from 1935 to 1961. The collection provides comprehensive coverage of Kent's career as a painter, illustrator, designer, writer, lecturer, traveler, political activist, and dairy farmer.

The collection of artists' letters compiled by Mary and John McGuigan Jr. measure 0.6 linear feet and date from 1794-1938. The collection is comprised of a group of letters, writings, and signed documents to and from a variety of artists, art administrators, art critics, historians, and art-related organizations assembled from multiple sources. It also includes associated printed material with some documents and a few photographs, including carte de visites and cabinet cards.

The records of the Charles Scribner's Sons Art Reference Department measure 7.0 linear feet and date from 1839 to 1962. The records of the department include original art works, photographs, scattered letters, and miscellaneous printed material reflecting the portraiture and other illustration work completed in support of the wide range of materials and topics published by Charles Scribner's Sons over the company's long publishing history.

The records of Milch Gallery measure 42.5 linear feet and date from 1911-1995. Edward Milch (1865-1953) opened the Edward Milch Gallery in New York City. In 1916, he formed a partnership with his brother Albert Milch (1881-1951), a gilder and framer, creating E. & A. Milch, Inc., a gallery specializing in American art. Harold C. Milch (1904-1981), Albert's son, was appointed a partner in 1944 and continued the business until his death. Business records of Milch Gallery, 1911-1968, include correspondence, sales records, inventories, financial records, printed matter, photographs, and legal documents. Later additions to the records date from 1922-1995 and include correspondence; artists' files; financial, sales, and stock records; printed material; and photographs.