Title: Wire tapping for national defense
Subtitle: hearings before Subcommittee No. 1 ... Seventy-sixth Congress, third session on H.J. Res. 553, a joint resolution to authorize the Federal Bureau of Investigation of the Department of Justice to conduct investigations in the interests of national defense, and that purpose to permit wire tapping. Subsequently amended, reintroduced and reported as H.J. Res. 571
Subjects: Subversive activities, Wiretapping
Places: United States