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Biennial Report

Maine. Department of Labor and Industry

出版	Sentinel Publishing Company, 1942
URL	http://books.google.com.hk/books?id=zpVKAQAAMAAJ&hl=&source=gbs_api

註釋

Vols. for 1911/12-1915/16 include the "Reports of the State Board of Arbitration and Conciliation," 1911/12-1915/16.