http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Thirty Years of Soviet Espionage in the U.S
Contains brief accounts of the activities of more than 30 spies in the U.S., 1919-50.
Record is based on bibliographic data in LexisNexis U.S. Congressional Research Digital Collection (last viewed May 2010). Reuse except for individual research requires license from LexisNexis.
Shameful Years: Thirty Years of Soviet Espionage in the U.S
United States. Congress. House. Committee on Un-American Activities.