Papers of Malcolm Hamilton Clark Jr. include correspondence with family and researchers, 1954-1980; short stories and story ideas; research for "Pharisee Among the Philistines," "Eden Seekers," articles and "End of Eden"; correspondence with parents, 1936-1938; press releases from U.S. Office of Civil Defense, 1941; Matthew Paul Deady diary indices; letters from Deady family members, 1902-1920; and manuscripts of books, reviews, articles, and speeches.