Sarkar, Soma Basu (31 January 2007). "Bookworms' paradise". The Telegraph. Calcutta, India. Archived from the original on 18 April 2015. Retrieved 21 May 2010.
Sarkar, Soma Basu (31 January 2007). "Bookworms' paradise". The Telegraph. Calcutta, India. Archived from the original on 18 April 2015. Retrieved 21 May 2010.