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 "Kruse, Paul Jehu","The overlapping of attainments in certain sixth, seventh, and eighth grades",,"Teachers College, Columbia University",1918,Contributions to education,,,,https://cir.nii.ac.jp/crid/1130000797795290496