Author: ठाकुर, केशव कुमार
Publisher:आदर्श हिंदी पुस्तकालय
Copyright:1965
Author: Feachem, Richard
Publisher:B. T. Batsford Ltd., London
Copyright:1963
Author: Swami Prajnanananda
Publisher:Anandadhara Prakashan, Calcutta
Copyright:1965
Author: Zeuner, Frederick Everard
Publisher:Hutchinson & Co.ltd, London
Copyright:1963
Author: Evans, Johnson A. Fearenside, C. S.
Publisher:W. B. Clive, London
Copyright:1974
Author: Prajnanananda, Swami
Publisher:Ramakrishna Vedanta Math, Calcutta
Copyright:1963
Author: Prasad, Ishwari
Publisher:Chugh Publications, Allahabad
Copyright:1974
Author: Pogson, W. R.
Publisher:B. R. Publishing Corporation, Delhi
Copyright:1974
Author: Rai, Raghunath
Publisher:Lajpat and Company, Amristsar
Copyright:1965
Author: Prasad, Ishwari
Publisher:Central Book Depot, Allahabad
Copyright:1974
Author: Plott, John C.
Publisher:Motilal Banarasidass, Delhi
Copyright:1974
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: Day, U.N.
Publisher:Kitab Mahal, Allahabad
Copyright:1965
Author: Lias, Godfrey
Publisher:Frederick Muller, London
Copyright:1963
Author: Oliver, Roland ; Oliver, Caroline
Publisher:Prentice hall ,inc
Copyright:1965