Blackett, R. J. M. (December 1975). "Return to the Motherland: Robert Campbell, a Jamaican in Early Colonial Lagos". Journal of the Historical Society of Nigeria. 8 (1): 133–143. ISSN0018-2540. JSTOR41971239.
worldcat.org
Blackett, R. J. M. (December 1975). "Return to the Motherland: Robert Campbell, a Jamaican in Early Colonial Lagos". Journal of the Historical Society of Nigeria. 8 (1): 133–143. ISSN0018-2540. JSTOR41971239.