Du Plessis, J. (Johannes), 1868-19352010-01-152010-01-151911http://hdl.handle.net/2263/12567Second printing, with the addition of one chapter106 p. ; 19 cm.DutchElectronic copy: University of Pretoria; Printed copy: Public domain.Mission work266.4268Nederduitse Gereformeerde Kerk in Suid-Afrika -- MissionsMissions -- AfricaBook