Author: Aurobindo
Publisher:Aurobindo Ashram, Pondicherry
Copyright:1952
Author: Feachem, Richard
Publisher:B. T. Batsford Ltd., London
Copyright:1963
Author: Lan, Funf Yu-
Publisher:George Allen, London
Copyright:1952
Author: Zeuner, Frederick Everard
Publisher:Hutchinson & Co.ltd, London
Copyright:1963
Author: Prajnanananda, Swami
Publisher:Ramakrishna Vedanta Math, Calcutta
Copyright:1963
Author: Sinha, Jadunath
Publisher:Sinha Publishing House, Calcutta
Copyright:1952
Author: Gupta, Surendra Nath Das
Publisher:The Syndics of the Cambridge Univercity Press:
Copyright:1952
Author: Dasgupta, Surendranath
Publisher:The University press, Cambridge
Copyright:1952
Author: Banerjee, Arun Kumar
Publisher:Republic Book Syndicate, Calcutta
Copyright:1952
Author: Panikkar, K.M.
Publisher:Asia Publishing House, Bombay
Copyright:1963
Author: Rapport, Samuel ; Wright, Helen
Publisher:New York University Press, New York
Copyright:1963
Author: Vivekananda
Publisher:Advaita Ashrama, Mayavati
Copyright:1952
Author: Lias, Godfrey
Publisher:Frederick Muller, London
Copyright:1963
Author: Sastri, Nilakanta K.A
Publisher:Motilal Banarsidass, Banaras
Copyright:1952
Author: Nilakanta Sastri, K. A.
Publisher:Motilal Banarsidass, Banaras
Copyright:1952
Author: Gupta, Sulekh Chandra
Publisher:Asia Publishing House, Bombay
Copyright:1963