Author: Kisa, Anton
Publisher:Verlag Von Karl W.Hiersemann, Leipzig
Copyright:1908
Author: Ploss, Heinrich Bartels, Max
Publisher:Th. Griebens Verlag, Leipzig
Copyright:1908
Author: Kossowicz, D'Cajetanus
Publisher:Typographeo Imperiali, Parisiis
Copyright:1865
Author: Symonds, Percival M.
Publisher:The Century Co., London
Copyright:1931
Author: Hackmann.H
Publisher:koninklijke akademie van wetenschappen,Amsterdam
Copyright:1931
Author: Duncan, J. Garrow
Publisher:Society for Promoting, London
Copyright:1931
Author: Shaw, Bernard
Publisher:Constable and Company, London
Copyright:1931
Author: Busteed , H.E
Publisher:W. Thaker, London
Copyright:1908
Author: Busteed, H.E.
Publisher:London, W. Thacker and Co.
Copyright:1908
Author: Busteed, H.E.
Publisher:W. Thacker,London
Copyright:1908
Author: Thompson, James Westfall
Publisher:Frederick Ungar Publishing Co., New York
Copyright:1931
Author: Lippincott, Isaac
Publisher:D. Appleton and Company, New York
Copyright:1931
Author: Iyengar, S. Kesava
Publisher:The Government Central, Hyderabad
Copyright:1931