Threatening Communications.
Subtitle: Hearing before the Committee on the Post office and post roads, House of Representatives, Seventy-sixth Congress, first session, February 16, 1939.
Publisher: U.S. Govt. print. off.
Published: 1939
Place of publication: Washington
Language: eng
Number of pages: 23
Subjects: Postal Service -- United States.
Notes: Available also in microform in CIS US congressional committee hearings, accession number (76)H842-14.