Third-class postal rates: bills and statements of account.
Subtitle: Hearing, Ninetieth Congress, first session, on S. 1693.
By: June 7, 1967.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 43
Subjects: Postal service -- United States -- Third-class matter.