Switchmen's Union of North America Constitutions on Microfilm #5405 mf. Kheel Center for Labor-Management Documentation and Archives, Cornell University Library.
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Switchmen's Union of North America Constitutions on Microfilm #5405 mf. Kheel Center for Labor-Management Documentation and Archives, Cornell University Library. https://archives.library.cornell.edu/repositories/4/resources/10018 Accessed April 18, 2026.
