R. Skeel - S. Khlief, Lippincott

$60.00

S. Agabegi - E. Agabegi, Lippincott

$60.00

Leonard Crowley, Mcgraw Hill

$68.40

A. Herrera - M. Granados, Mcgraw Hill

$61.89

J. Romero - G. Tena, Mcgraw Hill

$48.00

Fernando Guzman Toro, Vadell Hermanos

$14.40

E. Mayeaux - J. Cox, Lippincott

$170.40

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

Cassimeris

$102.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Schwartz y Otros, Mcgraw Hill

$62.40

C. Stone - R. Humphries, Mcgraw Hill

$108.00

M. Nordin - V. Frankel, Lippincott

$96.00

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

Rebecca L. Shoener, Mcgraw Hill

$42.00