Author: Diole, Philippe
Publisher:Sidgwick & Jackson Ltd., London
Copyright:1954
Author: Vavra, Jaroslav R.
Publisher:Artia, Prague
Copyright:1954
Author: Chaudhuri, Roma Chaudhuri, Jatindra Bimal
Publisher:Pracyavani Mandir, Calcutta
Copyright:1954
Author: Girdhari Lal
Publisher:The Indian Press, Allahabad
Copyright:1954
Author: Gregg, Richazrd Bartlett
Publisher:Navajivan Publishing House, Ahmedabad
Copyright:1954
Author: Feachem, Richard
Publisher:B. T. Batsford Ltd., London
Copyright:1963
Author: Sivaramamurti, C.
Publisher:Indian Musuem Calcutta
Copyright:1954
Author: Rao, Alur Venkat
Publisher:Nava-Jeevan Grantha-Bhandar, Bombay
Copyright:1954
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: Lokhandwala, M. F.
Publisher:The Allies Stores, Baroda
Copyright:1954
Author: Prajnanananda, Swami
Publisher:Ramakrishna Vedanta Math, Calcutta
Copyright:1963
Author: Prasad, Ishwari
Publisher:Chugh Publications, Allahabad
Copyright:1974
Author: Ferm, Vergilius
Publisher:Rider And Company, London
Copyright:1950
Author: Pogson, W. R.
Publisher:B. R. Publishing Corporation, Delhi
Copyright:1974