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 "Roper, Joseph Igal",Trade unionism and the new social order : a students' guide,,Workers' educational association and Workers' educational trade union committee,1942,W.E.A. study outlines,,,,https://cir.nii.ac.jp/crid/1130282270760834944