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
"Roberts, Frank H. H. (Frank Harold Hanna)","Early pueblo ruins in the Piedra district, southwestern Colorado",,U.S. Government Printing Office,1930,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282272245629696