Victor J. Bissonnette Hand-Card Patent. 6928. Kheel Center for Labor-Management Documentation and Archives, Martin P. Catherwood Library, Cornell University.
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Victor J. Bissonnette Hand-Card Patent. 6928. Kheel Center for Labor-Management Documentation and Archives, Martin P. Catherwood Library, Cornell University. https://archives.library.cornell.edu/repositories/4/resources/13188 Accessed December 27, 2025.
