Author: Ghosh, Batakrishna
Publisher:Bharati Mahavidyalaya, Calcutta
Copyright:1947
Author: Akhilananda, Swami
Publisher:George Routledge and Sons Ltd., London
Copyright:1947
Author: Devaraja, N. K. [Nand Kishore]
Publisher:Asia Publishing House, Bombay
Copyright:1969
Author: Murray, Hugh; Leyden, John,
Publisher:Walkar And Greig, Edinburgh
Copyright:1947
Author: Mathur,Devi Dayal
Publisher:Youngman, Govt. Publishers,Delhi
Copyright:1947
Author: Cranborne, Viscount
Publisher:John Mitchell, London
Copyright:1947
Author: Majumdar, R C
Publisher:Bharatiya Vidya Bhavan, Bombay
Copyright:1969
Author: Gottschalk, Louis Mackinny, Loren C. Pritchard, Earl H.
Publisher:International Commission for a History of the Scientific and Cultural Development of Mankind. London
Copyright:1969
Author: Reber, Franz Von
Publisher:J.&J. Harper Editions, New York
Copyright:1969
Author: Nolan, E. H.
Publisher:James S Virtue, London
Copyright:1947
Author: Nolan, E. H.
Publisher:James S Virtue, London
Copyright:1947
Author: Sitaramayya, B. Pattabhi
Publisher:S. Chand & Co., Delhi
Copyright:1969