United States Postal Service Collective Bargaining Stamps #6073m. Kheel Center for Labor-Management Documentation and Archives, Cornell University Library.
Cite Item Description
United States Postal Service Collective Bargaining Stamps #6073m. Kheel Center for Labor-Management Documentation and Archives, Cornell University Library. https://archives.library.cornell.edu/repositories/4/resources/11197 Accessed March 30, 2026.
