↑ १.० १.१ १.२ १.३ Sharad K. Jain, Pushpendra K. Agarwal, Vijay P. Singh. Hydrology and Water Resources of India. Google books. http://books.google.co.in/books?id=ZKs1gBhJSWIC&pg=PA360&lpg=PA360&dq=Hydrology+and+Water+Resources+of+India+Mahananda&source=bl&ots=KTzg7YExaU&sig=Pc7TlaMDppQ1bRJx8XheyxtV1tI&hl=en&ei=SWrmS5-VDojDrAem1Z3tAg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CB0Q6AEwAA#v=onepage&q&f=false. अन्तिम पहुँच मिति: 2010-05-14.
↑ Majumdar, Dr. R.C., History of Ancient Bengal, first published 1971, reprint 2005, p. 4, Tulshi Prakashani, Kolkata, ISBN 81-89118-01-3.