R. Zane - J. Kosowsky, Lippincott

$55.20

John T. Daugirdas, Lippincott

$86.40

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

R. Hyatt - P. Scanlon, Lippincott

$28.20

Salvador Zubiran, Mcgraw Hill

$67.20

Lynn S. Bickley, Lippincott

$125.12

Schwartz y Otros, Mcgraw Hill

$62.40

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Julio Sepulvedad S., Mcgraw Hill

$40.80

Francisco A. Orduña P., Diaz de Santos

$36.00

Miriam Guana, Mcgraw Hill

$61.89

I. Martin - Lacave, Diaz de Santos

$72.00

P. Paulman - A. Paulman, Wolters Klumer

$82.09

T. Browne - G. Holmes, Lippincott

$60.00

M. Nordin - V. Frankel, Lippincott

$96.00