Lloyd Aereo Boliviano :   The Progress of Air Lines in Bolivia. 

 - New York-XXU :   The Bolivian Consulate,   1927. 
 - p. 4 :   il. 
 - Bimestral 
 - Vol. 1, no. 7 (Sep. 1927) 
 - Bolivia ;   no. 7 .
 - Estados Unidos.   The Bolivian Consulate. .