T.w. Sadler, Lippincott

$38.40

Rebecca L. Shoener, Mcgraw Hill

$42.00

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Francisco A. Orduña P., Diaz de Santos

$36.00

S. Agabegi - E. Agabegi, Lippincott

$60.00

J. Garcia - J. Lopez, Mcgraw Hill

$56.40

O. Quiros - J. Quiros, Amolca

$50.40

Fernando Guzman Toro, Vadell Hermanos

$14.40

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

Gerard M. Doherty, Mcgraw Hill

$117.60

A. Herrera - M. Granados, Mcgraw Hill

$61.89

Marc S. Sabatine, Lippincott

$45.12

Burke A. Cunha, Mcgraw Hill

$30.00

T. Browne - G. Holmes, Lippincott

$60.00