Hall, A. L.  1872-1955. <br/><br/>
A subject index to the literature of South African geology and mineral resources for the years 1921 to 1935 (inclusive) :  A companion volume to Memoirs 25, 27, and 30 (Bibliographies 1921-1935, Authors' index) / 
by A. L. Hall. 
 - Pretoria :  Govt. Printer,  1939. 
 - 288 p. ;  24 cm. 
 - Geological Survey memoir ;  no. 37 .
 - Memoir (Geological Survey (South Africa)) ;  no. 37. .
<br/><br/> At head of title: Union of South Africa, Department of Mines. 
<br/><br/>With: The geology of the country around Bethlehem and Kestell with special reference to oil indications / by O.R. van Eeden.  Pretoria : Govt. Printer, 1937.  Bound together subsequent to publication. 
<br/><br/><label>LCCN: </label>gs 40000301  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--South Africa--Bibliography.<br/>Mines and mineral resources--South Africa--Bibliography.
<br/><br/><label>LC Class. No.: </label>QE324  / .A3 no. 37