著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United States. Bureau of the Census,"Employment by months, and by occupational groups by States and cities, and by kind of business",,"U.S. Dept. of Commerce, Bureau of the Census",1937,"Census of business, 1935",,,,https://cir.nii.ac.jp/crid/1130000795809341184