Transportation of express mail and priority mail [microform] : hearing before the Subcommittee on Postal Operations and Services of the Committee on Post Office and Civil Service, House of Representatives, One Hundred Second Congress, first session, April 23, 1991.
United States.Congress.House.Committee on Post Office and Civil Service.Subcommittee on Postal Operations and Services.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O.,
1991.
"Serial no. 102-9."
Microfiche.
Postal service
Express service
Communication and traffic