Digital images of biśvasaṃbād sādhāran jnān, a book of general knowledge. Written by āśish mukhārjī, published by Chtturbhuj Pustakalay. Date of publication unknown.
"The original material is owned and held by Mr Arun Ghosh. Access enquiries should be directed to Arun Ghosh via the School of Cultural Texts and Records, Jadavpur University, Kolkata.".