Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. Bureau of Labor Statistics. Industrial Relations Division,"Collective bargaining in the chemical industry, May 1942",,"U.S. G.P.O.,For sale by the Supt. of Docs., U.S. G.P.O.",1942,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269068968320