Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL United States. Bureau of Labor Statistics,"Wage structure of the nonferrous metals industry, 1941-42",,"U.S. G.P.O.,For sale by the Supt. of Docs., U.S. G.P.O.",1943,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000798156707456