TY  - BOOK
AU  - Ngcongco,L.D.,coaut
TI  - The Historiography of Southern Africa: Proceedings of the experts meeting held at Gaborone, Botswana, from 7 to 11 march 1977 
SN  - 9231017756
PY  - 1980///
CY  - Paris
PB  - UNESCO
ER  -