1. Neog, M.: Prachya-Sasanavali. 1st edn, Publication Board, Assam (1974)
2. Bhattacharyya, Dr. S.C.: Asamiya Lipitattva Adhyayan, 1st edn, Chandra Prakash Publishing, Panbazar, Guwahati, Assam (2013)
3. Kataki, S.: Asamia Prachin Lipi, 3rd edn. Banalata Publisher, Dibrugarh -1, Assam (on behalf of Assam Sahitya Sabha) (2003)
4. Nath, B.: Sindhu Upatyakar Lipi aru Sabhyatat Ebhumukhi (Translated from “The Indus-Valley Script and Civilisation”), 1st edn. Bani Mandir, M.M.C. Bhawan, Hedayetpur, Guwahati-3, Assam (2013)
5. Goswami, U.: Asamiya Lipi (The Assamese Script), 9th edn, Assam Publication Board, Guwahati, Assam (2014)