Author: Daicoviciu, C
Publisher:Editura Academiei Republic, Romine
Copyright:1954
Author: Wriggins, W. Howard
Publisher:Princeton University Press, New Jersey
Copyright:1960
Author: Mookerji, Radha Kumud
Publisher:Motilal Banarsidass,Delhi,Varanasi,Patna
Copyright:1960
Author: Creel, Herrlee Glessner
Publisher:Eyre & Spottiswoode, London
Copyright:1954
Author:
Publisher:National Archives of India, New Delhi
Copyright:1990
Author: Vivekanand, Swami
Publisher:Advaita Ashrama, Calcutta
Copyright:1954
Author: Clissold, Stephen
Publisher:Derek Verschoyle, London
Copyright:1954
Author: Bhatia, R. L.
Publisher:Atma Ram & Sons, Delhi
Copyright:1954
Author: Foster, George M.
Publisher:Wenner Gren Foundation, New York
Copyright:1960