Balbir Singh, 1930- Principles of ethics. With a foreword by Prem Nath. - 2d rev. ed. - Jullundur, S. Nagin, 1962. - iv, 322, vii p. 22 cm. LCCN: sa 64000935 Subjects--Topical Terms: Ethics--India. LC Class. No.: BJ122 / .B28 1962