Security classification reform hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, second session, on H.R. 12004 ... July 11, 25 ; and August 1, 1974

"Security classification reform : hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, second session, on H.R. 12004 to amend Section 552 of Title 5 of the United States code (known as the Freedom of information act) to provide for the classification and declassification of official information in the interest of national defense"
"Security classification reform hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-third Congress, second session, on H.R. 12004 ... July 11, 25 ; and August 1, 1974"@en