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 "Hobson, Carol Joy",Statistics of public elementary and secondary education of Negroes in the Southern States,,"U.S. Department of Health, Education, and Welfare, Office of Education",1955,Circular,,,,https://cir.nii.ac.jp/crid/1130000795720789376