Author: Key, Charles E.
Publisher:George G. Harrap & Co. Ltd., London
Copyright:1946
Author: Keith, Arthur Berriedale
Publisher:Centr. Book depo, Allahabad
Copyright:1936
Author: Murti, A. S. N.
Publisher:
Copyright:1946
Author: Feachem, Richard
Publisher:B. T. Batsford Ltd., London
Copyright:1963
Author: Garde, M. B.
Publisher:Alijah Darbar Press,gwalior, Gwalior
Copyright:1936
Author: Zeuner, Frederick Everard
Publisher:Hutchinson & Co.ltd, London
Copyright:1963
Author: Dunbar, George
Publisher:Ivor Nocholsan and Watson,London
Copyright:1936
Author: Dunbar, George
Publisher:Ivor Nicholson and Watson Limited, London
Copyright:1936
Author: Prajnanananda, Swami
Publisher:Ramakrishna Vedanta Math, Calcutta
Copyright:1963
Author: Scott, George Ryley
Publisher:T. Werner Laurie Ltd., London
Copyright:1936
Author: Spencer, L. J.
Publisher:Blackie & Son Limited, London
Copyright:1936
Author: Alteker, A.S
Publisher:Motilal Banarsi Dass, Lahore
Copyright:1946
Author: Moreland, W. H.
Publisher:Longmans Green & Co., London
Copyright:1936
Author: Moreland and, W.H. Chatterjee, Atul Chandra
Publisher:Longmeans Green, London
Copyright:1936
Author: Latourette, Kenneth Scott
Publisher:The Macmillan Company, New York
Copyright:1946