Tito Balza Santaella, Tito Balza Santaella

$5.00

Ref. 1800, Larousse

$6.00

Wenceslao Ortega, Mcgraw Hill

$25.00

M. A. Enriquez, Mcgraw Hill

$6.00

N. Acosta - L. Cavallo, Susaeta

$10.00

Fernandez, Triangulo

$2.00