By Dr. Muhammad Hamidullah

Published by Peace Publication, 2014

By F.F.Fordham

Published by Penguin Books, 1953

By Irving M. Cap and others

Published by New Kitab Markaz, 2017

By Russell Bertrand

Published by George Allen and unwin, 1960

By Robert V.Hoggy, Allen T.Graig

Published by National book foundation, 2004

By Q.k.Ghori and others

Published by W.Pak Publication Comp., 1971

By Neal H. McCoy

Published by National Book Foundation, 1986

By Richtmyer and others

Published by John willey, 1956

By F.K.Richtmyer Kennard

Published by TATA McGraw Hill Publishing, 1987

By C.E.M.Jsad

Published by Oxford, 1964