Marco Aurelio Alegria, el Nacional

$1.00

David N. Ramirez Padilla, Mcgraw Hill

$32.00

Dr. Miguel Sira, Norma

$6.80

M. de la Mora - J. Rivas, Mcgraw Hill

$25.00

Gaceta Nº 40.461, la Piedra

$5.50

Robert W. Schrier, Lippincott

$80.70

Jesus Alirio Silva, Cobo

$5.00

Curtis M. Rimmerman, Lippincott

$63.00

Gaceta N° 40.589, la Piedra

$2.85

Gaceta Nº 39.912, Njr

$2.00

Antonio Perez Esclarin, San Pablo

$6.76

Varios, Funeda

$7.00

Fernando L. Gonzalez Rey, Mcgraw Hill

$33.00

Gaceta No. 6.017, Njr

$2.00

Renny Yagosesky, Diana

$12.67

Gaceta, la Piedra

$2.30

Robin Williams, Anaya

$14.03

Ledesma, Limusa

$17.00

$5.00

Emans - Laufer -, Lippincott

$97.00

Dr. Kevin Leman, Unilit

$7.41

D. Fitzgibbon - J. Loeser, Lippincott

$125.00

Robert S. Feldman, Mcgraw Hill

$40.00

Hernandez, Mcgraw Hill

$51.58

Roberto Arenas, Mcgraw Hill

$52.00

S. Joo - A. Kau, Lippincott

$57.60

Insp, Mcgraw Hill

$26.00

Atkins - Overton, Mcgraw Hill

$45.00

Alberto Alvarez Arango, Mcgraw Hill

$1.00

Guaraira Repano, Ernesto Armitano

$10.00