TY  - BOOK
AU  - Birmingham,David
AU  - Gray,Richard
TI  - Pre-colonial African trade : : essays on trade in Central and Eastern Africa before 1900 / 
U1  - 380.10967 PRE 
PY  - 1970///
CY  - New York : 
PB  - Oxford University Press, 
KW  -  Africa
KW  -  Commerce
N1  -  Includes bibliographical references
ER  -