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Maritime Union pickets U.S. Dept. of Commerce. Washington, D.C., May 17. More than 500 members of the National Maritime Union picketed the U.S. Commerce Department Building today in protest against what they said was indiscriminate issuance of seaman's certificates. Patrick D. Whalen, Chairman of th
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Credit lineMaritime Union pickets U.S. Dept. of Commerce. Washington, D.C., May 17. More than 500 members of the National Maritime Union picketed the U.S. Commerce Department Building today in protest against wh. 1939-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.