Photocopy of Clark's diaries, 1948-1989; manuscripts of essays, bibliographies, articles, book reviews, proposals, clippings, and offprints; concerning Irish studies, urban history, labor, public housing, desegregation, and Catholic Action; with a few letters and memoranda, a register of the Clark Papers in the Balch Institute of Ethnic Studies, a television script, and an interview with Clark (1976).