Public domain
Mystery witness before Dies Un-American Committee today. Washington, D.C., Aug. 18. The mystery witness presenting charges against Harry Bridges to the House Committee on Un-American activities was identified today as Margaret A. Kerr, spokesman for the Los Angeles Better American Federation, she is
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Credit lineMystery witness before Dies Un-American Committee today. Washington, D.C., Aug. 18. The mystery witness presenting charges against Harry Bridges to the House Committee on Un-American activities was id. 1938-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.