TY  - BOOK
AU  - Northrup David
TI  - Trade without rulers :  Precolonial economics development in South Eastern Nigeria
T2  - Oxford studies in African affaris ed by John D Hargreaves and George Shepperson
U1  - X:5.6542:M5, L8 
PY  - 1978///
CY  - London
PB  - Oxford University Press     
KW  - ECONOMICS
N1  - Appendix p231-239
ER  -