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: 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
Author: Dunham, Clarence W.
Publisher:McGraw-Hill Book Company, New York
Copyright:1962
Author: Mellersh, H. E. L.
Publisher:Robert Hale Limited, London
Copyright:1962
Author: Mercer, F. A. Hay, Roy
Publisher:Studio, London
Copyright:1950
Author: Jayadeva
Publisher:S. Gopalan, Tanjore
Copyright:1950
Author: Warry, J. G.
Publisher:Methuen,London
Copyright:1962