Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"United States. Bureau of Labor Statistics and Wright, Carroll Davidson and United States. Dept. of Labor","Index of all reports issued by bureaus of labor statistics in the United States prior to March 1, 1902",,Johnson Reprint Corp.,1970,History of American economy : studies and materials for study,,,,https://cir.nii.ac.jp/crid/1130282270122222464