Author: Dewald, Ernest T.
Publisher:Holt rinehart and winston,New York
Copyright:1961
Author: Majumdar, S. K.
Publisher:Firma K.L. Mukhopadhyay, Calcutta
Copyright:1966
Author: Sehgal, S.R.
Publisher:Navyug Publications, New Delhi
Copyright:1966
Author: Hari Rao, V. N.,
Publisher:Rochouse, Madras
Copyright:1961
Author: Mascaro, Juan
Publisher:Methuen,London
Copyright:1961
Author: Mitra, Priti
Publisher:Sanskrit Pustak Bhandar, Calcutta
Copyright:1966
Author: Gonda A.
Publisher:Noord-Hollandsche Uitgevers Maatschappu, Amsterdam
Copyright:1966
Author: Bhargava, Visheshwar Sarup
Publisher:Munshiram Manoharlal, Delhi
Copyright:1966
Author: Heinrich Lüders
Publisher:Vandenhoeck & Ruprecht, Gottingen
Copyright:1961
Author: Woolley, Leonard
Publisher:Methuen & Co. Ltd, London
Copyright:1961