Wartime health and education. Part 3, Fixed incomes in the war economy: I, Washington, D.C., January 25, 26, 27, 28, 29 and February 9, 1944 : hearings before a subcommittee of the Committee on Education and Labor, United States Senate, Seventy-eighth Congress, second session pursuant to S. Res. 74, a resolution authorizing an investigation of the educational and physical fitness of the civilian population as related to national defense