Author: Benjamin, Harry
Publisher:Kitabistan, Allahabad
Copyright:1941
Author: Sengupta, Padmini
Publisher:Oxford University Press, Calcutta
Copyright:1950
Author: Lacheman ,Ernest R.
Publisher:Harvard university press,Cambridge
Copyright:1962
Author: Tobler, Arthur J.
Publisher:University of Pennsylvania Press, Philadelphia
Copyright:1950
Author: Pranavananda, Swami.
Publisher:University of Calcutta, Calcutta
Copyright:1950
Author: Cecil, Algernon
Publisher:Eyre and Spottiswoode, London
Copyright:1941
Author: Pike, E. Royston
Publisher:Frederick Muller,London
Copyright:1962
Author: Mellersh, H. E. L.
Publisher:Frederick Muller,London
Copyright:1962
Author: Phillips-Brit, D.
Publisher:Frederick Muller Limited, London
Copyright:1962