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Lua i Stíl Chicago (17ú heag.)United States. Shipping Board, United States. National Adjustment Commission, agus United States. National Adjustment Commission. North Atlantic District. Records of the United States Shipping Board: Transcripts of Hearings in Adjustment Cases Before the National Adjustment Commission, 1917-19, Relating to the North Atlantic District. Washington: National Archives and Records Service, 1981.
Lua MLA (8ú heag.)United States. Shipping Board, et al. Records of the United States Shipping Board: Transcripts of Hearings in Adjustment Cases Before the National Adjustment Commission, 1917-19, Relating to the North Atlantic District. National Archives and Records Service, 1981.