By Ed. By L.Mary Barker

Published by Richard clay ltd., 1967

By L.M.Basher

By Neal S Thornton

Published by Penguin Books, 1987

By Barry Buzan

Published by National book foundation, 2004

By Austen Jane

Published by Zodiac Press, 1960

By Peterson

Published by Peterson's Thomas Learning, 2001

By Nigel Warburton

Published by Chohdri Ghulam Rasool and Sons, 2019

By C.E.M.Joad

Published by A premier Books, 1962

By J.N.Walfgany tylor

Published by Collier Books, 1962

By G.S.Singhal and other (Ed. By)

Published by Narosa publishing house, 1989