Author: Harrison, Frederick
Publisher:John Murray, Albemarle Street, London
Copyright:1943
Author: Feachem, Richard
Publisher:B. T. Batsford Ltd., London
Copyright:1963
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: Prajnanananda, Swami
Publisher:Ramakrishna Vedanta Math, Calcutta
Copyright:1963
Author: Ferm, Vergilius
Publisher:Rider And Company, London
Copyright:1950
Author: Daniel, Glyn E.
Publisher:Gerald Duckworth & Co., London
Copyright:1950
Author: Mookerji, Radha Kumud
Publisher:Padma Publications, Bombay
Copyright:1943
Author: Khosla, A. N.
Publisher:Khalsa Printing Press, Simla
Copyright:1950
Author: Keenan, John L.
Publisher:Duell, Sloan and Pearce, New York
Copyright:1943
Author: Rajeswara Rao, P.
Publisher:Sree Panduranga Press, Eluru
Copyright:1950
Author: Panikkar, K.M.
Publisher:Asia Publishing House, Bombay
Copyright:1963