Security classification exemption to the Freedom of Information Act : hearing before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-fifth Congress, first session, September 20, 1977.
United States.Congress.House.Committee on Government Operations.Subcommittee on Government Information and Individual Rights.
Washington : U.S. Govt. Print. Off.,
1979.
Security classification (Government documents)
Government information
Freedom of information