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 "Bonner, H. R. and United States. Bureau of Education. Statistical Division","Private commercial and business schools, 1917-18",,G.P.O.,1920,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282273058850176