Ann Arbor: University of Michigan Press, (1969.) dj. Hardcover first edition - A republication in their entirety, in one volume, of the 'Official Report of the Niger Valley Exploring Party' by the African American physician and abolitionist, M. R. Delaney and the report made by his companion on that trip, the young Jamaican naturalist Robert Campbell: 'A Pilgrimage to My Motherland: An Acount of a Journey Among the Egbas and Yorubas of Central Africa, in 1859-60. Introduction by Howard H. Bell. Map endpapers. 250 pp.