Industry gains in Bolivia. 

 - New York-XXU :   The Bolivian Consulate,   1935. 
 - p. 17-18 
 - Bimestral 
 - Vol. V, no. 5 (Jul./Ago. 1935) 
 - Bolivia ;   no. 5 .
 - Estados Unidos.   The Bolivian Consulate. .