By R.D.Vidyarthi

Published by Ahmad Brothers, 0

By Parker Jeffery

Published by Macmillan and Co., 1965

By Parker Jeffery

Published by Macmillan and Co., 1966

By Vishwa Nath

Published by S.Chand and Co. ltd., 1984

By Vishwa Nath

Published by S.Chand and Co. ltd., 1984

By Sandy Duncan

Published by Oxford press, 1961

By Peter Atkins, Julio De Paula

Published by National book foundation, 2004

By Harry W. Hazard

Published by Princeton University Press, 1954

By S.K.Dogra and H.S. Randhawa

Published by Pearson Education Ltd., 2015

By Harvey Elliott white

Published by Sang e meel publications, 1986