J. Romero - G. Tena, Mcgraw Hill

$48.00

Fernando Guzman Toro, Vadell Hermanos

$14.40

Esp. y Mgs. Aura M. Parra, Luz

$8.30

F.j. Blanco - J.d. Cañete, Panamericana

$46.80

Carlos A. Roldan, Lippincott

$135.60

R. Zane - J. Kosowsky, Lippincott

$55.20

C. Stone - R. Humphries, Mcgraw Hill

$108.00

R. Walls - M. Murphy, Lippincott

$50.58

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

O. Quiros - J. Quiros, Amolca

$50.40

$8.40

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Joseph E. Muscolino, Lippincott

$69.60

Lynn S. Bickley, Lippincott

$125.12

M. Nordin - V. Frankel, Lippincott

$96.00