Author: W. Yumjao Singh
Publisher:W Laimani Singh and others Brothers, Moirang Mayum Leikai Sagolband, Imphal, Manipur
Copyright: N/A
Author: Jeans, James H.
Publisher:Dover Publications, Inc, New York
Copyright:1935
Author: Chatterjee, Satya Saran
Publisher:The World Press Pvt. Ltd., Kolkata
Copyright:1966
Author: Griffin, Gwyn
Publisher:G. P. Putnam's Sons, New York
Copyright:1967
Author: Mookerji, Radha Kumud
Publisher:Motilal Banarsidass, Delhi
Copyright:1947
Author: Das, Sudhir Ranjan
Publisher:The Asiatic Society, Calcutta
Copyright:1971
Author: Wainhouse, David W.
Publisher:The Registrar, Indian Association for the Cultivation of Science, Kolkata
Copyright:1968
Author: Goil, N. K.
Publisher:Hindustan Publishing Corporation, New Delhi
Copyright: N/A
Author: Goil, N. K.
Publisher:Hindustan Publishing Corporation India, New Delhi
Copyright:1969
Author: Chandrasekhar, S.
Publisher:Allied Publishers Private Limited, Kolkata
Copyright:1967
Author: Kelly, Lowell E.
Publisher:Prentice-hall Of India, New Delhi
Copyright:1969
Author: Sarma, Viswanath Deva
Publisher:Viswa Jyotirvid Samgha, Decca
Copyright:1971
Author: Chatterji, Jatindra Mohan
Publisher:The Parsi Zoroastrian Association, Calcutta
Copyright:1967
Author: Kuo, Benjamin C.
Publisher:Prentice-Hall of India, New Delhi
Copyright: N/A