"Ships Cargo." . . "Government information." . . "Government information United States." . . . . . . . . . . . "Confidentiality of shippers' export declaration : hearing before the Subcommittee on Census and Population of the Committee on Post Office and Civil Service, House of Representatives, Ninety-sixth Congress, second session, on H.R. 6842 ... March 26, 1980" . . "Confidentiality of shippers' export declaration hearing before the Subcommittee on Census and Population of the Committee on Post Office and Civil Service, House of Representatives, Ninety-sixth Congress, second session, on H.R. 6842 ... March 26, 1980"@en . . . . . . . . . . . . . . . . "United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Census and Population." . . "United States." . .