Title: Registration of certain persons trained on foreign espionage systems
Subtitle: Hearing before the Subcommittee No. 3 on H. R. 3882 and H. R. 4102, bills to require the registration of dertain persons who have receieved instruction or assignment in the espionage, or sabotage service or tactics of a foreign government or foreign political party, and for other purposes.
Subjects: Aliens, Espionage
Places: United States