- Sikhs and Sikhism: "Guru Nanak and the Sikh Religion", "Early Sikh Tradition", "Evolution of the Sikh Community", "Who is a Sikh?" by W.H. McLeod, 1999-07-01
- Religion, Civil Society and the State: A Study of Sikhism (Oxford India Paperbacks) by J. P. S. Uberoi, 1999-04-29
- Guru in Sikhism by W.Owen Cole, 1982-05
- Sikhism for Today (Religion for Today) by Kanwaljit Kaur-Singh, 1998-07-09
- Sikhism and Secularism, Essays in Honour of Prof. Harbans Singh
- Thinking About Sikhism (World Religions) by W.Owen Cole, 1980-03-27
- Seekers after Truth: Hinduism, Buddhism, Sikhism by Michael Keene, 1993-05-28
- Sikhism: a convention lecture by Annie Wood Besant, 2010-07-30
- Sikhism (Atlas of World Faiths) by Jane Bingham, 2007
- Sikhism: A Convention Lecture [1920 ] by Annie Wood Besant, 2009-09-22
- Meeting Sikhism (The Religious dimension) by W Owen Cole, Piara Singh Sambhi, 1980-07-21
- Sikhism: Islamic Influence and Tibetan Connection by Mahinder Gulati, 2008-02-01
- Sikhism and Christianity: A Comparative Study by W. Owen Cole, Piara Singh Sambhi, 1993-11
- Sikhism - A Comparative Study of its Theology and Mysticism by Daljeet Singh, 1998
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