00690cam a22002172 4500 0000002129 20151217155815.0 070403s xx 000 0 eng d 19215639X : KABU KABU HF3876 .P74 Pre-colonial African trade : essays on trade in Central and Eastern Africa before 1900 / ed. by Richard Gray and David Birmingham. London : OUP, 1970. 308 p. Trade Africa. 0000151376 Gray, Richard. 0000151377 Birmingham, David. 0000151378 070403 1 12691 12691 0 0 lcc 0 KABU KABU 2015-12-17 0 HF3876 .P74 002889 2015-12-17 00:00:00 2015-12-17 AFRI