Train dispatchers. Six-hour day for train-dispatching offices, hearings before subcommittee, 75th Congress, 3d session, on H. R. 4358. to limit hours of service of train dispatchers employed by carriers engaged in interstate commerce to 6 hours in any 24-hour period, to establish 6-hour day for such train dispatchers, and for other purposes, May 5[6]-June 4, 1938.

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