Africa, Journal of the International Institute of African Languages and Cultures. London. Oxford University Press for the Institute, January 1928

Africa, Journal of the International Institute of African Languages and Cultures. London. Oxford University Press for the Institute, January 1928, Volume: Gilbert C12. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525058 Accessed December 26, 2025.