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 "Truxal, Andrew Gehr","Outdoor recreation legislation and its effectiveness : a summary of American legislation for public outdoor recreation, 1915-1927, together with a study of the association between recreation areas and juvenile delinquency in Manhattan, 1920",,Columbia University,1929,"Studies in history, economics and public law",,,,https://cir.nii.ac.jp/crid/1130000797864749440