Amendments to the Merchant Marine Act of 1920 : hearing before the Subcommittee on Merchant Marine of the Committee on Commerce, Science, and Transportation, United States Senate, one hundredth congress, second session of S.1988, January 28, 1988.
United States.Congress.Senate.Committee on Commerce, Science and Transportation.Subcommittee on Merchant Marine.
Washington : Government Printing Office,
1988.
Merchant marine