| − | The '''Subversive Activities Control Board,''' (SACB) 1950–1972 records are a treasure trove of information about the [[Communist Party of the United States]] (CPUSA) and its [[Glossary_of_espionage_terms#Fronts_and_cutouts|front organization]]s. The records constitute one of the most valuable resources for the study of [[left-wing]] radicalism during the 1950s and 1960s. | + | The '''Subversive Activities Control Board,''' (SACB) 1950–1972 records contain information about the [[Communist Party of the United States]] (CPUSA) and its [[Glossary_of_espionage_terms#Fronts_and_cutouts|front organization]]s. The records constitute one of the most valuable resources for the study of [[left-wing]] radicalism during the 1950s and 1960s. |