Irwin Laverne Powers Papers. 6701. Kheel Center for Labor-Management Documentation and Archives, Martin P. Catherwood Library, Cornell University.
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Irwin Laverne Powers Papers. 6701. Kheel Center for Labor-Management Documentation and Archives, Martin P. Catherwood Library, Cornell University. https://archives.library.cornell.edu/repositories/4/resources/13155 Accessed March 25, 2026.
