Author: Craven, Roy C.
Publisher:Thames and Hudson, London
Copyright:1976
Author: Jasbir Singh
Publisher:Vishal Publications, Kurukshetra
Copyright:1976
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: Sircar, N. N.
Publisher:The Book Company, Calcutta
Copyright:1988
Author: Bhattacharjee,Arun
Publisher:Ashish Pub. House,New Delhi
Copyright:1988
Author: Dasgupta, Kalpana
Publisher:National Library, Calcutta
Copyright:1988
Author: Cousens, Henry
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Thangzawna, Tirhkoh
Publisher:The synod publication board, Aizawl
Copyright:1988
Author: Mackay, Ernest .J.H.
Publisher:Bharatiya Publishing House, Varanasi
Copyright:1976
Author: Wurm, Alois
Publisher:Ajanta Publications, Delhi
Copyright:1976
Author:
Publisher:North Lastren Hill University Publications, Shillong.
Copyright:1988
Author: Dasgupta, Kalpana
Publisher:National Library, Culcutta
Copyright:1988
Author: Chaudhuri, Nirad C.
Publisher:Jaico Publishing House, Bombay
Copyright:1976