Author: Smith, May
Publisher:Cassell and company Limited, London
Copyright:1943
Author: Chatterjee, Satya Saran
Publisher:The World Press Pvt. Ltd., Kolkata
Copyright:1966
Author: Montagu, M. F. Ashley
Publisher:Charles C. Thomas, England
Copyright:1945
Author: Farquhar, J.N.
Publisher:Motilal Banarsidass, Delhi
Copyright:1966
Author: Pathak, Vishwambhar Sharan
Publisher:Asia Publishing House, Bombay
Copyright:1966
Author: Banton, Michael
Publisher:Tavistock Publications, London
Copyright:1966
Author: Weidenreich, Franz
Publisher:The University of Chicago Press, Chicago
Copyright:1945
Author:
Publisher:Society of Antiquaries of London, London
Copyright:1966
Author: Pacey, Philip
Publisher:Bowker, London
Copyright:1978
Author: Marx, Karl
Publisher:People's Publishing House, Bombay
Copyright:1945
Author: Mookerjee,Ajit
Publisher:Oxford and IBH Publishing Company, Calcutta
Copyright:1966