*United States. National Counterintelligence Center. [http://www.nacic.gov/history/CIReaderPlain/Vol3Chap1.pdf. ''A Counterintelligence Reader'', Vol 3 Chap 1]. NACIC. no date. pg. 31.
*United States. National Counterintelligence Center. [http://www.nacic.gov/history/CIReaderPlain/Vol3Chap1.pdf. ''A Counterintelligence Reader'', Vol 3 Chap 1]. NACIC. no date. pg. 31.
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*General Bissell to General Strong, 3 June 1942, Silvermaster reply to Bissell memo, 9 June 1942, Robert P. Patterson to Milo Perkins of Board of Economic Warfare, 3 July 1942, all reprinted in “[[Interlocking Subversion in Government Departments]],” 30 August 1955, 84th Cong., 1st sess., part 30, 2562–2567.
*Lauchlin Currie testimony, 13 August 1948, U.S. Congress, House of Representatives, Committee on Un-American Activities, 80th Cong., 2d sess., 851–877.
*Lauchlin Currie testimony, 13 August 1948, U.S. Congress, House of Representatives, Committee on Un-American Activities, 80th Cong., 2d sess., 851–877.
*''Underground Soviet Espionage Organization (NKVD) in Agencies of the United States Government,'' 21 February 1946, FBI Silvermaster file, serial 573.
*''Underground Soviet Espionage Organization (NKVD) in Agencies of the United States Government,'' 21 February 1946, FBI Silvermaster file, serial 573.