Datta, Kalikinkar, Biography of Kunwar Singh and Amar Singh / by Kalikinkar Datta. - Patna : K. P. Jayaswal Research Institute, 1957. - xii, 231 [1] iv p. : ISBN: SSC4058 Subjects--Topical Terms: Revolutionaries Dewey Class. No.: 954.03170922 / Bi