Gaceta Nº 40.468, la Piedra
$1.40
Gaceta No. 39.627, Ml
$8.00
Jesus Mora Contreras, Ula
$7.00
Jorge E. Burbano Ruiz, Mcgraw Hill
$35.00
H. Koontz - H. Weihrich, Mcgraw Hill
$71.00
Gaceta 37.378, Rgrafica
$0.20
Gaceta No. 6.209, Ml, C.a.
$1.50