Hector R. Peñaranda Q., Cpluz
$10.00
Gaceta N. 6.013, Rgraficas
$2.00
Gaceta No. 6.156, la Piedra
$0.83
Hector Ramon Peñaranda Q., Luz
$10.00
Salvador Zubiran, Mcgraw Hill
$56.00
J. Sanchez - S. Serrano, Diaz de Santos
$25.00
K. Leveno - G. Cunningham, Mcgraw Hill
$276.30