University of Zambia Library Search for 'su:"Africa -- Economic conditions -- To 1918."'

Modes of production in Africa :

Beverly Hills : Sage Publications, 1981 0803911335 | 0803911343 (pbk.)

London : Longman, 1980 0582646553 | 0582646561 (pbk.)

By Morel, E. D. (Edmund Dene), 1873-1924.. New York [Monthly Review Press, 1969 , Reprint of the 1920 ed.

By Schumann, Christian Gustav Waldemar.. New York : Staples Press, 1938 , "Printed in Great Britain."