Author: Chaudhury, Pranab Chandra Ray
Publisher:Navajivan Publishing House, Ahmedabad
Copyright:1955
Author: Hill, J. Ben Hill, Helen D.
Publisher:McGraw Hill Book Company, New York
Copyright:1955
Author: Edmunds, F.H.
Publisher:Hutchinson's Scientific and Technical Publications, London
Copyright:1955
Author: Seler, Eduard
Publisher:Akademische Druck, Graz
Copyright:1961
Author: Franke, O.
Publisher:Walter De Gruyter & Co., Berlin
Copyright:1961
Author: Mookerji, Radha Kumud
Publisher:Bharatiya Vidya Bhawan, Bombay
Copyright:1961
Author: Rajan, K.V. Soundara
Publisher:Sundeep Prakashan, Delhi
Copyright:1981
Author: Boman-Behram, B. K.
Publisher:New Book Company Ltd., Bombay
Copyright:1955
Author: Boas, M. I.
Publisher:George Allen & Unwin Ltd, London
Copyright:1961
Author: Lorrain, J.Herbert Savidge, Fred.W.
Publisher:Authority, Shillong
Copyright:1961
Author: Dobrov, A.S.; Добров, А.С.
Publisher:State Geographic Press, Moscow
Copyright:1955
Author: Misra, Susheela
Publisher:Hem Publishers, New Delhi
Copyright:1981
Author: Bonnard, André
Publisher:George Allen & Unwin Ltd., London
Copyright:1961
Author:
Publisher:National Archives of India, New Delhi
Copyright:1981