T. Browne - G. Holmes, Lippincott

$50.00

Lynn S. Bickley, Lippincott

$104.27

T.w. Sadler, Lippincott

$32.00

S. Joo - A. Kau, Lippincott

$57.60

Schwartz y Otros, Mcgraw Hill

$52.00

Julio Sepulvedad S., Mcgraw Hill

$34.00

Rodolfo Rodriguez C., Mcgraw Hill

$41.00

C. Dieguez - R. Yturriaga, Mcgraw Hill

$40.00

R. Hyatt - P. Scanlon, Lippincott

$23.50

R. Walls - M. Murphy, Lippincott

$42.15

John T. Daugirdas, Lippincott

$72.00

Esp. y Mgs. Aura M. Parra, Luz

$6.92

Insp, Mcgraw Hill

$26.00

B. Shakuntala Baliga, Mcgraw Hill

$90.00

D. Cline - O. Ma -, Mcgraw Hill

$112.00