By H.J.Elemeus and A.G.sharpe

Published by Universal Books stall, 1989

By Fujia Yand and Joseph H Hamiltan

Published by National Book Foundation, 2004

By R.S.Sayers

Published on 0

By Dr.Muhammad Afzal Kazi and others

Published by West Pak Text book board, 1968

By Dr. R.C.Acharya and others

Published by Kalyani Publishers, 1988

By Harvey E.White

Published by CBS publishers & Distributors, 1987

By H.D.Kumar

Published by Vikas Publishing house pvt. Ltd., 1989

By Edited by Christopher Rollason & Rajeshwar Mitapal

Published by Atlantic Publishers & Distributors, 2002

By R.P. Barston

Published by Pearson Education Ltd., 2006

By Dr. H.L.Ahuja

Published by S. Chand & Company Pvt. Ltd., 2013