Selected studies of cost ascertainment system of the Post Office Department.
Contributors: United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Rates.
Publisher: U.S. Govt. Print. Off.
Published: 1969
Place of publication: Washington
Language: eng
Number of pages: 220
Subjects: Postal service -- United States -- Costs.
Notes: At head of title: 91st Congress, 1st session. Committee print no. 7.
Prepared for the use of the Subcommittee on Postal Rates of the Committee on Post  Office and Civil Service, U.S. House of Representatives.