Digital images of G. K. kārent ayāpheẏārs 2003, a book of general knowledge, facts and figures. Written by Yadav & Khanna, published by Dishari, ?2007.
"The original material is owned and held by Gautam Mitra; access enquiries should be directed to Gautam Mitra via the School of Cultural Texts and Records, Jadavpur University, Kolkata.".
"The original material is owned and held by Samantak Das. Access enquiries should be directed to Samantak Das via the School of Cultural Texts and Records, Jadavpur University, Kolkata.".