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 Writers' Program of the Work Projects Administration in the State of Colorado and Colorado State Planning Commission,"Colorado, a guide to the highest State",,Hastings House,1941,American guide series,,,,https://cir.nii.ac.jp/crid/1130000797662677248