The second source
By: by M. C. O'Dowd.
Contributors: 1820 Settlers National Monument Foundation.
Series: Dugmore memorial lecture ;; no. 2; Dugmore memorial lecture ;; 2.
Publisher: 1820 Settlers National Monument Foundation
Published: 1971
Place of publication: Grahamstown
Language: eng
Number of pages: 23
Subjects: Mines and mineral resources -- South Africa.; South Africa -- History.
Notes: Cover title.
Lecture delivered in Grahamstown on Settlers' Day, 6 September 1971.