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
"Blassingame, John W.","Slave testimony : two centuries of letters, speeches, interviews, and autobiographies",,Louisiana State University Press,1977,Louisiana paperbacks,,0807102733,,https://cir.nii.ac.jp/crid/1130282272825382272