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 "Waples, Douglas","Print, radio, and film in a democracy : ten papers on the administration of mass communications in the public interest : read before the sixth annual institute of the graduate library school, the University of Chicago August 4-9, 1941",,University Microfilms International,1997,U.M.I. books on demand,,,,https://cir.nii.ac.jp/crid/1130000794307892224