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 National Education Association of the United States. Research Division,"Salary schedules, classroom teachers, urban districts 100,000 and over in population",,The Association,1959,Public-school salaries series,,,,https://cir.nii.ac.jp/crid/1130282270649188224