$60.00

R. Williams & K. Smith, Richmond

$7.28

Beatriz E. Henao Zapata, Richmond

$9.10

Carmen Navarro, Richmond

$34.50

Judith A. Aurenty Font, Actualidad

$16.57

$29.90

Viv Lambert, Macmillan

$14.40

$35.00

Lenore Cohen, Richmond

$28.00

J. Lawley - R. Fernandez, Richmond

$11.38

$29.00

Paul a Davies, Macmillan

$5.76

S. Brewster - A. Lane, Richmond

$37.95

Williams, Mcgraw Hill

$6.00

Judith A. Aurenty F., Actualidad Escolar 2000

$28.60