Scope and Contents Hearings on communist infiltration into labor unions part 3, hearings on communist infiltration of radiation laboratory and atomic bomb project at the University of California volume 3, testimony of Hazel Scott Powell and Edward G. Robinson, hearings regarding communism in the District of Columbia part 2, hearings regarding communism in the Cincinnati, Ohio, area part 1, hearings regarding communist espionage, report on the National Lawyers Guild, American aspects of the assassination of Leon...