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 "Mann, Carleton Hunter",How schools use their time : time allotment practice in 444 cities including a study of trends from 1826 to 1926,,AMS Press,1972,Contributions to education,,0404553338,,https://cir.nii.ac.jp/crid/1130000793805440000