Collection Information
Size: 2,000 Items, (on 2 microfilm reels)
Summary: Correspondence, clippings, biographical material, personal documents, exhibition notices and catalogs, lectures and writings on art, note and sketchbooks, personal photographs, among them 1 of Mark Tobey and several of Callahan in his studio, and photographs of his works. Also included is a masters thesis on Callahan by Jean Weihl.