Delia Gottlieb Interview "My Father, Jacob Potofsky" #6022 OH. Kheel Center for Labor-Management Documentation and Archives, Cornell University Library.
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Delia Gottlieb Interview "My Father, Jacob Potofsky" #6022 OH. Kheel Center for Labor-Management Documentation and Archives, Cornell University Library. https://archives.library.cornell.edu/repositories/4/resources/11081 Accessed March 07, 2026.
