Postal service. Substitute postal employees, hearing before subcommittee no. 1, 76th Congress, 3d session, on H. R. 2324, H. R. 3125, and H. R. 3218, bills to provide for payment of time and one-half for overtime, appointment of substitute clerks and city letter carriers to positions of junior clerks, and for regulation of hours of service and salary for substitute laborers, Mar. 12 and 13, 1940.

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