Annual report of the Postmaster General : hearing before the Subcommittee on Federal Services, Post Office, and Civil Service of the Committee on Governmental Affairs, United States Senate, one hundred first Congress, first session, April 7, 1989.
United States.Congress.Senate.Committee on Governmental Affairs.Subcommittee on Federal Services, Post Office, and Civil Service.
Washington : U.S.G.P.O.,
1989.
S.Hrg.101-225
Postal service