مجموعة: الركن الأكاديمي

By: E C Parnwell

By: Radio Shack

By: Kenneth Wybar

By: L. G. Alexander

By: Lucy Mangan

By: C. E. Eckersley, J. M. Eckersley

By: H.a. Harper, V.w. Rodwell, P.a. Mayes

By: Chilton Book Company

By: R. E. Burns, A. E. Burns

By: Richard L. Daft

By: Animation

By: Peter J. Schraeder

By: Bernard P. Herber

By: Itv Books, Arrow

By: Dr.-ing. Shaker El-shairy

By: N. K. Sandars

By: Longman

By: Walter Wangerin Jr.

By: L. G. Alexander

By: Kingfisher

By: P. Orlov

By: P. Orlov

By: S. O. Kasap

By: Bikas C. Sanyal, El Sammani A. Yacoub

By: M. El-zawahry

By: Edgar Lightfoot

By: Robert D. Blevins

By: William Golding

By: Martin Bates, Tony Dudley-evans

By: Gregory Orfalea

By: Charles Lamb, Mary Lamb

By: Nigel Grimshaw

By: Colin Ogilvie

By: Katsuhiko Ogata

By: Martin Bates, Tony Dudley-evans