CONTENTS Introduction Acquisition of Aerial Photographs Recruitments of Americans The Intelligence Role of the Soviet-Bloc Officials Industrial Spying and Circumvention of Regulations Exploitation of Public Information Propaganda and Personal Appearances Use of the United Nations "Illegal" Operations International Aspects of Soviet Espionage Aims of International Communism Appendices Cases Involving Court Action During the Past Decade Soviet Nationals Declared Persona Non Grata or Otherwise Removed from Their Official Assignments in the United States from January 1, 1950, trough May 1, 1960 International Aspects of Soviet Espionage Against the United States