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
"Crenshaw, Ollinger",The slave states in the presidential election of 1860,,Johns Hopkins Press,1945,The Johns Hopkins University studies in historical and political science,,,,https://cir.nii.ac.jp/crid/1130282268776275456