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. Committee of the Post Office Department and United States. Post Office Dept and Roper, Daniel C. (Daniel Calhoun) and Chance, M. O. and Koons, J. C. and United States. Congress. Senate","Government ownership of electrical means of communication : letter from the postmaster general, transmitting, in response to a Senate resolution of January 12, 1914, a report entitled ""Government ownership of electrical means of communication""",,G.P.O.,1914,Document,,,,https://cir.nii.ac.jp/crid/1130000797193396096