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 "Saylor, John Galen","Course offerings, subject enrollments, size, and current expenditures for Nebraska high schools",,"University of Nebraska, Teachers College",1957,Contributions to education,,,,https://cir.nii.ac.jp/crid/1130282272914532992