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
"Brown, Letitia Woods","Free Negroes in the District of Columbia, 1790-1846",,Oxford University Press,1972,The urban life in America series,,0195015525,,https://cir.nii.ac.jp/crid/1130282271695772928