%0 Generic %T Licensing of Marine Radiotelegraph Operators hearings before the United States Senate Committee on Interstate and Foreign Commerce, Subcommittee on S. 1389 and H.R. 1036, Eightieth Congress, second session, on Mar. 29, 1948. %U https://ezaccess.libraries.psu.edu/login?url=http://congressional.proquest.com/congcomp/getdoc?HEARING-ID=HRG-1948-ISF-0022