CLARENCE-SMITH, William Gervase; MOORSOM, Richard. Underdevelopment and class formation in Ovamboland, 1845-1915 / Gervase Clarence-Smith and Richard Moorsom. - London ; Lusaka, 1988.
UNITED NATIONS INSTITUTE FOR NAMIBIA (UNIN)
UNITED NATIONS INSTITUTE FOR NAMIBIA (UNIN)
http://192.168.151.11//clarence-smith-william-gervase-moorsom-richard-underdevelopment-and-class-formation-in-ovamboland-1845-1915-gervase-clarence-smith-and-richard-moorsom-london-lusaka-1988
PA 4/1/1/503(NAM 968.8 Int)