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 "Hayford, J. E. Casely (Joseph Ephraim Casely)",The truth about the West African land question,2nd ed. / with a new introduction by E.U. Essien-Udom,F. Cass,1971,Cass library of African studies,,0714617555,,https://cir.nii.ac.jp/crid/1130282270249598720