Richards Audrey I Ed. Subsistence to commercial farming in present-day B - Cambridge Cambridge University Press 1973 - x, 336p. Bib p 323-329 ; Appendix p 320-22 cm. - African studies series . ISBN: 0521201829 Source: General Book Subjects--Topical Terms: Agricultural Industry Dewey Class. No.: X9(J).688.N7, L3