Franked mail [and] ratio of substitute to regular postal employees.
Subtitle: Hearings, Ninetieth Congress, first session, on H.R. 11060, H.R. 438, and H.R. 8924. June 27 and 28, 1967.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 57
Subjects: Franking privilege -- United States.; Postal service -- United States -- Employees.
Notes: "Serial no. 90-19."