Alberto Arias Amaro, Romor
$15.00
Gaceta Nº 36.607, Dabosan
$1.00
Gaceta No. 37368, Rgraficas
$0.70
H. Koontz - H. Weihrich, Mcgraw Hill
$72.00
Burke A. Cunha, Mcgraw Hill
$25.00
Carlos E. Weffe H., Avdt
$7.74
Gaceta Nº 38.654, Njr
$1.00
Gaceta No. 39.019, Njr
$2.00