Religions of India

by Barth, A, 1834-1916
Published 2000

The Sikhs in relation to Hindus, Moslems, Christians and Ahmadiyyas : A study in comparative religion..

by Archer, John Clark, 1881-
Published 1946

A Record of the Buddhist religion as practised in India and the Malay Archipelago, (A.D. 671-695)

by I-ching, 635-713
Published 1896