Correspondence (1937-1965); personal papers (1950-1952); photographs of Harriton and his work (1918-1962); manuscripts by Harriton on art and artists (1949-1964); scrapbooks (1915-1962); published material (1922-1964); and biographical material.

Correspondence, primarily incoming, 1942-1970; drawings by Alfred Leslie and Saul Steinberg; exhibition catalogs; a notebook containing recipes and sketches; photographs of Hartigan, her work, and various of her artist friends, including Mary Clyde, Willem de Kooning, Helen Frankenthaler, Alfred Leslie, Frank O'Hara, and Larry Rivers; and writings of Hartigan and others, including that of Ted Joans, Barbara Guest, and Frank O'Hara