Prasad, Bishwanath Linguistic Survey of Sadar Subdivision of Manbhum and Dhalbhum (Singhbhum). - 1st edn. - Patna Bihar Rashtrabhasha Parishad 1958 - v,xii,472p. Subjects--Topical Terms: Pu253 Dewey Class. No.: Pu253 / 152I8