T. Browne - G. Holmes, Lippincott

$50.00

Francisco A. Orduña P., Diaz de Santos

$30.00

J. Romero - G. Tena, Mcgraw Hill

$40.00

Maria A. Obando, Ula

$10.00

Insp, Mcgraw Hill

$26.00

Curtis M. Rimmerman, Lippincott

$63.00

A. Herrera - M. Granados, Mcgraw Hill

$51.58

Carlos A. Roldan, Lippincott

$113.00

Gerard M. Doherty, Mcgraw Hill

$98.00

Esp. y Mgs. Aura M. Parra, Luz

$6.92

R. Skeel - S. Khlief, Lippincott

$50.00

Rebecca L. Shoener, Mcgraw Hill

$35.00

Jose Saban Ruiz, Diaz de Santos

$80.00

D. Nicoll - C. Mark, Mcgraw Hill

$51.58

Trujillo - Becerra- Rivas, Mcgraw Hill

$92.90