Author: Masselos, Jim Gupta, Narayani
Publisher:Ravi Dayal Publisher, New Delhi
Copyright:2000
Author:
Publisher:Nehru Science Centre-National Council of Science Museums, Mumbai
Copyright:2009
Author: Sinha, B.P
Publisher:Bihar Puravid Parishad,Patna
Copyright:2000
Author: Prasad, Bimal
Publisher:Manohar Publishers and Distributors, New Delhi
Copyright:2000
Author: Prasad, Bimal
Publisher:Manohar Publishers and Distributors, New Delhi
Copyright:2009
Author:
Publisher:National Archives of India, New Delhi
Copyright:2009
Author: Bretschneider, E
Publisher:Routledge publication,London
Copyright:2000
Author: Majumdar, Bimanbihari
Publisher:Bookland Private Ltd., Kolkata
Copyright:1927
Author: Mukherjee, Mridula
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:2009
Author: Mukherjee, Aditya Mukherjee, Mridula
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:2010
Author: Mukherjee, Aditya Mukherjee, Mridula
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:2010
Author: Kumar, Ravinder Prasad, H. Y. Sharada S. Gopal
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:2000
Author: Kumar, Ravinder Prasad, H. Y. Sharada S. Gopal
Publisher:Jawaharlal Nehru Memorial Fund, New Delhi
Copyright:2000
Author:
Publisher:Nehru Science Centre-National Council of Science Museums, Mumbai
Copyright:2010
Author: Srinivasachariar, A.M.
Publisher:G.A. Natesan, Madras
Copyright:2000