Author: व्यास केशवराम Vyasa Keshvaram
Publisher:आई. डी. अर. ऐ, पूना
Copyright:1962
Author: Sahai, Govind
Publisher:Rajkamal Publications, Delhi
Copyright:1947
Author: Spanton, W. S.
Publisher:Winsor & Newton, London
Copyright:1947
Author: Mishra Yogendra ; Roy Sita Ram
Publisher:Vaisali sangha,Vaisali
Copyright:1964
Author: Macdermott, Mercia
Publisher:George allen and unwin,London
Copyright:1962
Author: Moraes, George Mark
Publisher:Manaktalas, Bombay
Copyright:1964
Author:
Publisher:George Routledge & Sons Ltd., London
Copyright:1947
Author: Panikkar, K.M.
Publisher:The Natonal infofmation, Bombay
Copyright:1947
Author: Sinclair, Upton
Publisher:T. Werner Laurie Ltd., london
Copyright:1947
Author: Ramendranath Chakravorty
Publisher:Indian Museum, Calcutta
Copyright:1964