$18.98

R. Williams & K. Smith, Richmond

$6.07

Manuel Dos Santos, Mcgraw Hill

$8.00

A. Cant - M. Charrington, Macmillan

$15.00

S. Brewster - A. Lane, Richmond

$26.57

$31.25

Paul a Davies, Macmillan

$4.80

$48.07

$36.18

$10.00

Judith A. Aurenty Font, Actualidad

$11.51

Loveday, Mcgraw Hill

$5.00

Lenore Cohen, Richmond

$31.63

$11.39

Maria Latorraca, Richmond

$15.18