Code no.8824: Mechanical Contractors Association of Central Ohio, Inc. and United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada, Local 189, 1967-1973

Code no.8824: Mechanical Contractors Association of Central Ohio, Inc. and United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada, Local 189, 1967-1973, Box: 5, Folder: 28. BLS Collection of Collective Bargaining Agreements (Part 3), 6178/003. Kheel Center for Labor-Management Documentation & Archives. https://archives.library.cornell.edu/repositories/4/archival_objects/1632491 Accessed January 25, 2026.