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

Correspondence, clippings, photographs, artwork, slides, reviews, sketches, notebooks and other material of the American artist.