By Dr. (Mrs.) Shashi Kumar

Published by Atlantic Publishers and Distributers (pvt.) Ltd., 2004

By S. Akbar Zaidi

Published by Oxford University Press, 2019

By Sh. Manzoor Ali

Published by Ilmi Kitab Khana, 1966

By Government of Pakistan

Published on 2010

By Hugh A Thurston

Published by Prentice Hall Inc., 1961

By K.M.Azam

Published by Maktaba tul arafat, 1968

By Undit Snokar

Published by Mohit Publication, 2011

By Dr. Muhammad Aslam

Published by Allied Book Centre, 2002

By Stephenson James M.A.

Published by Sir Issac Pitman and sons, 1965

By Alfred Marshall

Published by Macmillan and co, 1961