Grewal, K.S. Understanding Sikhism / K.S. Grewal. - New Delhi : Inter-India Publications, 1991. - 139p. ; 22cm. Includes index, bibliography ISBN: 8121002818 : Rs.180 Subjects--Topical Terms: Sikhism--Relations--Hinduism.Sikhism--Doctrines.Sikh gurus. Dewey Class. No.: 294.6