By Aubrey F.G.Bell

Published by Collier Books, 1961

By Editor-in-Chief:Mairi Robinson

Published by Chambers Harrap Publishers Ltt., 2007

By William Glddie

Published by Chamber Ltd., 1960

By Catherine Schwarz and others (ed.)

Published by W & R Chambers Ltd., 1990

By Abdul Malik Bin Muhammad Ibn Abdur Rehman Al Qasim

Published by Darussalam, 1999

By Collier Books New York

Published by Collier Books, 1961

By Nerill Caghill

Published by Penguin Books, 1961

By Paul Yates

Published by CRC Press, 0

By Micheal L Perace William

Published by Collier Books, 1962

By Keith J Laidler

Published by Tata McGraw-Hill publishing co. ltd., 1988