Compte rendu of the XV. session, South Africa, 1929. 

 - Pretoria,  Wallachs' Ltd.,  1930. 
 - 2 v.  front. (v. 1) illus., plates, ports., maps, plans, tables, diagrs.  27 cm. 
<br/><br/> At head of title: International Geological Congress.  Part of the plates, maps, plans, tables and diagrams are folded.  Contributions in English, French, German, Italian or Spanish. The Italian and Spanish papers are accompanied by abstracts in English or French. 
<br/><br/><label>LCCN: </label>gs 31000172  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Congresses.<br/>Geology--South Africa.
<br/><br/><label>LC Class. No.: </label>QE1  / .I6 1929 
<br/><br/><label>Dewey Class. No.: </label>550.63