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
"Fields, Barbara Jeanne",Slavery and freedom on the middle ground : Maryland during the nineteenth century,,Yale University Press,1985,Yale historical publications,,0300023405,,https://cir.nii.ac.jp/crid/1130000797348746496