Gopal Singh. Religion of the Sikhs / Gopal Singh. - Bombay : Asia Publishing House, 1971. - viii, 191p. ; 22cm. Includes index ISBN: 0210222964 : Rs.24 Subjects--Topical Terms: Sikh Gurus.Sikhism--Doctrines.Prayer--Sikhism.God.Philosophy, Sikh. Dewey Class. No.: 294.6