Author: Andrewartha, H. G.
Publisher:The World Press Private Ltd, Dacca
Copyright:1961
Author: Muir, J.
Publisher:Oriental Publishers & Distributors, New Delhi
Copyright:1976
Author: Muir, J.
Publisher:Oriental Publishers & Distributors, New Delhi
Copyright:1976
Author: Mueller, John H. Schuessler, Karl F.
Publisher:Oxford And IHB Publishing Company, New Delhi
Copyright:1961