Digital images of hārmoniẏām sikshā, a manual on playing the harmonium. Written by pinākī senguptā, published by General Library and Press. Date of publication unknown.
"The original material is owned and held by Rudrajit Mookherjee. Access enquiries should be addressed to Mr Mookherjee via the School of Cultural Texts and Records, Jadavpur University, Kolkata.".