Did the ancient peruvians write?. 

 - Nuevo Mexico-US :   School of american research ,   1939. 
 - páginas 143-144 :   Ilustraciones blanco y negro 
 - Irregular 
 - Vol.XLVI, no.6 (Jun.1939) 
 - El palacio ;   no.6 .
 - University of New Mexico. .