Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Johnson, Samuel, d. 1901 and Johnson, O. (Obadiah)",The history of the Yorubas : from the earliest times to the beginning of the British protectorate,,Cambridge University Press,2010,Cambridge library collection,,9781108020992,,https://cir.nii.ac.jp/crid/1130000796353815936