Author: Law,Bimala Churn
Publisher:Bharatiya Publishing House, Delhi
Copyright:1976
Author: Verma, T.P.
Publisher:Nabajiban Press
Copyright:1976
Author: Gai, G.S. Rao, N. Lakshminarayan
Publisher:The Director General, Archaeological Survey of India, New Delhi
Copyright:1976
Author: Ministry of Education, India
Publisher:Ministry of education,India
Copyright:1949
Author: Aiyangar, K.V. Rangaswami
Publisher:Lucknow university
Copyright:1949
Author: Cousens, Henry
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Alexander, P. C.
Publisher:Annamalai University, Annamalainagar
Copyright:1949
Author: Mackay, Ernest .J.H.
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Wurm, Alois
Publisher:Ajanta Publications, Delhi
Copyright:1976
Author: Mahajan, Jagmohan
Publisher:Kitabistan, Allahabad
Copyright:1949