The papers of art historian Belisario Contreras measure 0.5 linear feet and date from 1943 to 1984. The papers include his research on New Deal Art Projects, including correspondence and copies of correspondence with William C. Agee, George Biddle (including 16 photographs of murals in Mexico City and Washington, D.C. and a clipping), Mrs. Edward Bruce, Olin Dows, Maria Ealand, Arlene Jacobowitz, Masha Zakheim Jewett (including an exhibition catalog and clippings on Bernard Baruch Zakheim), Horace Kallen, Rockwell Kent, Chet LaMore, Merwin C. Phelps, David W. Scott, Harold Weston, and others; National Endowment for the Humanities grant proposals "NDA Projects in Pennsylvania," 1975, and "Images of the Heartland," 1980, and notes from Contreras' interviews with Maria Ealand, John Gernand, Jacob Kainen, Dorothy Miller, and Selma Rein.