TY  - BOOK
AU  - Gray,Richard
AU  - Birmingham,David
TI  - Pre-colonial African trade: essays on trade in Central and Eastern Africa before 1900 
SN  - 19215639X :
AV  - HF3876 .P74
PY  - 1970///
CY  - London
PB  - OUP
KW  - Trade
KW  - Africa
ER  -