Correspondence, family, business, and personal (1927-1967); artwork, including photographs and reproductions of Martinelli's United Nations commission; statements on his work; and printed material, including clippings about Martinelli (1928-1968), and exhibition announcements, catalogs, and invitations (1934-1968). Correspondents include Aldo John Casanova, Ed Colker, Martin Craig, Dorothy Dehner, Helmut von Erffa, Giannetto Fieschi, Horace Gregory, Peter Grippe, Edmund Haines, Stanley Hayter, Louis I. Kahn, Leon Kelly, Leon Kroll, Norman Lewis, Sam Maitin, Barbara Brooks Morgan, Marnie Pomeroy, Melville Price, Walter Reinsel, Theodore Roszak, Charles Seide, Helena Simkhovitch, David Smith, and Carl Zigrosser.

Correspondence (1928-1972); artwork (original watercolors and reproductions); writings by Cook (articles, essays, reminiscences about the Taos community, statements and notes on Cook's artistic philosophy); and memorabilia, including financial and legal documents, and printed material (articles, reviews, clippings about Cook, exhibition announcements, invitations, and catalogs). Correspondents include artists Ernest L. Blumenschein, Victor Candell, Jean Charlot, Fred Conway, Russell Cowles, Andrew Dasburg, Lamar Dodd, Ernest Fiene, Lez Haas, John Haley, Ward Lockwood, Henry Lee McFee, B.J.O. Nordfeldt, Arthur Osver, Rudolph Ruzicka, Millard Sheets, and Carl Zigrosser. Other correspondents include Margaret Anderson, Joseph Blumenthal, John Hodgdon Bradley, J. Frank Dobie, and Lenore Marshall. Extensive correspondence relating to Cook's mural work includes that of the Mayo Clinic, the U. S. Post Office, the U.S. Public Buildings Administration, and the U.S. Treasury Department.

Papers of the American painter, muralist. Correspondence (1938-1965); manuscripts and other material relating to Kelly's work and family history; photographs of work and family; and published material, including articles about Kelly, clippings, and exhibition announcements and catalogs.

Papers of the Italian-American painter, engraver, illustrator, printmaker who worked in New York City and Chicago. Correspondence (1932-1967); exhibition catalogs and invitations (1930s-1977); original artwork (prints and etchings); reproductions of artwork; and printed materials, including articles and newspaper clippings (1933-1968) about Calapai. Predominantly incoming correspondence includes that of the American Institute of Graphic Arts, John Taylor Arms, Artists for Victory, Inc., Aline Bernstein, Boston Public Library, Brooklyn Museum, Charles Burchfield, Lorenz B. Graham, Lou Harrison, Arthur Heintzelman, Codman Hislop, Clayton Hoagland, Charles Hopkinson, A. Hyatt Mayor, Riverside Museum, Max Rudolf, Franz Schoenberner, Society of American Graphic Artists, Benton Spruance, Andrew Stasik, Lynd Ward, Morris Weisenthal, Mabel Wheaton, John Hall Wheelock, Arthur Zaidenberg, and Carl Zigrosser. Exhibition catalogs includes catalogs for two Rockwell Kent exhibits at Calapai's gallery.

Papers of the American Jewish lithographer, painter, and art critic, born in Russia, emigrated to the United States in 1906. Correspondence (1923-1973); manuscript writings, including various chapters of an unpublished autobiography; photographs and reproductions of Lozowick's work; and printed material, including articles by Lozowick and exhibition catalogs.