By Edwin H Colbert

Published by John wiley and sons, 1980

By paul Vodak

Published by Orient Paperbacks, 2005

By William and cochran

Published by John Wiley and sons, 1957

By Walter T Federer

Published by Oxfod and IBH publishing co., 1967

By Charles F. Wilcox. Jr.

Published by Macmillan Publishing Co., 1984

By Sayyid Saadat Ali Shah

Published by Ismi Kitab Khana, 1993

By Aldoas Husley

Published by Chatto and Windus, 1955

By SQ Leader® Mazahar ul Haq

Published by Dogar Brothers, 2008

Published by Students Walefare Department, 0

By Wali Khan

Published on 1986