Stirling, M. W. <br/><br/>
An initial series from Tres Zapotes, Vera Cruz, Mexico 

 - Washington, D.C.  1940 
 - 15p.  ill.  25 1/2cm 
 - National Geographic Society contributed technical papers .
<br/><br/> Cover title 
<br/><br/><label>Dewey Class. No.: </label>Pam 972.015  / WI Sti