Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. Bureau of Labor Statistics and United States. Bureau of Labor Statistics. Industrial Relations Division,Union wages and hours in the baking industry,,"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/1130000796188614784