Art dealer Leroy Ireland's research material on George Inness measures 2.0 linear feet and dates from 1916 to 2007, with the bulk of the material dating from 1960 to 1971. The collection documents Ireland's research for his book The Works of George Inness: An Illustrated Catalogue Raisonne through correspondence, research files, and photographs of artwork.

The scrapbooks of Thomas Benedict Clarke measure 3.6 linear feet and date from 1879-1930. Twelve scrapbooks contain mostly newspaper clippings, but also include correspondence, invitations, exhibition catalogs, programs, magazine articles, art auction catalogs, and other material relating to Clarke's personal art collection and general art patronage. The scrapbooks also include clippings and miscellany relating to the Clarke family and influential society clubs, such as the Union League, Lambs, and New York Athletic clubs.

The papers of Hudson River School painter Jervis McEntee measure 1.6 linear feet and date from 1796 and 1848 to 1905. Letters from close friends and family members to McEntee include many from his mentor Frederic Edwin Church, and fellow artists Samuel Putnam Avery, George Henry Boughton, Sanford Gifford, Richard Henry, Eastman Johnson, Elizabeth B. Stoddard, John Ferguson Weir, Worthington Whittredge, and others. Papers relating to the McEntee family include obituaries, a family genealogy, and letters from and regarding family members. There are also papers relating to the Vaux family (McEntee's brother-in-law's family) and American architect and landscape artist Calvert Vaux, who designed a studio for McEntee. Of special significance are five volumes of diaries dating from 1872 through 1890 which provide a detailed depiction of the American art world in the 1870s and 1880s.

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.

Copies of photogaphs selected from the George Eastman House collection by Bureau of American Ethnology archivist Margaret Blaker in 1962. Many of the photographs are individual or group portraits of American Indians and some highlight pottery, baskets, and cradleboards. There are also images of American Indian dwellings, including tipis and hogans;...

The papers of art critic, writer, and historian Elizabeth McCausland measure 45 linear feet and date from 1838 to 1995, with the bulk of the material dating from 1920 to 1960. The collection provides a vast accumulation of research data on various artists and aspects of American art, especially the early American modernists and the Federal Arts Projects. Papers include McCausland's extensive research and writing files, particularly on Marsden Hartley, E. L. Henry, Lewis Hine, George Inness, and Alfred H. Maurer. McCausland's correspondence with artists includes a substantial amount with Arthur Dove and Alfred Stieglitz. Her collaborative work with Berenice Abbott on the Changing New York book and series of photographs is well-documented within the collection. Also found are general writings, subject files, files relating to exhibitions, teaching, and committees, photographs, art work, personal papers, and printed material. Additional McCausland material donated later from the estate of Berenice Abbott include biographical materials, project files, writings, and printed materials.

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.

Photographs relating to American Indian or frontier themes, including portraits, expedition photographs, landscapes, and other images of dwellings, transportation, totem poles, ceremonies, infants and children in cradleboards, camps and towns, hunting and fishing, wild west shows, food preparation, funeral customs, the US Army and army posts, cliff...

The Eugene C. Worman research material on William H. Bartlett measures 4.1 linear feet and dates from 1835-1995. The collection reflects Worman's interest in Bartlett's career as an illustrator, and includes material on Bartlett's work and travels, his publisher, George C. Virtue, and the museums and institutions in which his artwork is represented. Records include biographical material, correspondence, notes, writings, articles, printed material, reproductions, photographs, slides, and transparencies.

The Library of Congress Copyright Deposit Collection is comprised of 2,335 photomechanical reproductions of works by 741 artists (mostly American). The large-format prints, deposited with the Library of Congress for copyright between 1890 and 1945, represent a broad range of nineteenth- and twentieth-century American art.