*Adolf Berle’s Notes, [http://en.wikisource.org/wiki/Underground_Espionage_Agent ''Underground Espionage Agent''], U.S. Senate Internal Security Subcommittee, Interlocking Subversion in Government Departments [Hearings] (Washington: U.S. Govt. Print. Off., 1953), part 6, 329–30. | *Adolf Berle’s Notes, [http://en.wikisource.org/wiki/Underground_Espionage_Agent ''Underground Espionage Agent''], U.S. Senate Internal Security Subcommittee, Interlocking Subversion in Government Departments [Hearings] (Washington: U.S. Govt. Print. Off., 1953), part 6, 329–30. |