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 United States. Interstate Commerce Commission. Division of Statistics and Accounts,"Intercorporate relationships of railways in the United States as of June 30, 1906",,Govt. Print. Off,1908,Special report,,,,https://cir.nii.ac.jp/crid/1130282269898562432