Labor-Federal Security Appropriation Bill for 1950: Hearings Before the Subcommittee of the Committee on Appropriations, United States Senate, Eighty-first Congress, First Session, on H.R. 3333, an Act Making Appropriations for the Department of Labor, the Federal Security Agency, and Related Independent Agencies, for the Fiscal Year Ending June 30, 1950, and for Other Purposes, [March 22, 23, 24, 25, 28, 29, and 30, 1949]