A bibliography of South African geology for the years 1931 to 1935  (inclusive)
By: Author's index by A. L. Hall.
Series: South Africa.  Geological survey.  Memoir; no. 30
Publisher: Government printer
Published: 1937
Place of publication: Pretoria
Language: eng
Number of pages: 168
Subjects: Geology -- South Africa -- Bibliography
Genres: Bibliography.
Notes: At head of title:  Union of South Africa.  Department of mines.
Continuation of Memoirs 18, 22, 25 and 27.