@book{24459,
	author = {Nienaber, Petrus Johannes,},
	title = {Dr O'kulis met sy eselskakebeen of Die lewe en werk van Ds Willem Postma (1874-1920) /},
	publisher = {Voortrekkerpers,},
	year = {1950.},
	address = {Johannesburg :},
	edition = {192 p., plates.}
}