Author: Diole, Philippe
Publisher:Sidgwick & Jackson Ltd., London
Copyright:1954
Author: Vavra, Jaroslav R.
Publisher:Artia, Prague
Copyright:1954
Author: Harrison, Frederick
Publisher:John Murray, Albemarle Street, London
Copyright:1943
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: Dutt, K. Guru
Publisher:Banglore Press, Banglore
Copyright:1943
Author: Zeuner, Frederick Everard
Publisher:Hutchinson & Co.ltd, London
Copyright:1963
Author: Nurullah, Syed Naik, J.P.
Publisher:Macmillan, Bombay
Copyright:1943
Author: Srinivasachari, C. S. Rao Bahadur
Publisher:Annamalai University, Madras
Copyright:1943
Author: Lokhandwala, M. F.
Publisher:The Allies Stores, Baroda
Copyright:1954
Author: Prajnanananda, Swami
Publisher:Ramakrishna Vedanta Math, Calcutta
Copyright:1963