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 "Willoughby, Westel Woodbury",The American constitutional system : an introduction to the study of the American state,,The Century Co.,1904,The American state series,,,,https://cir.nii.ac.jp/crid/1130000798138299136