Dilgeer, Dr Harjinder Singh (2008), Sikh Twareekh, publisher Sikh University Press & Singh Brothers Amritsar, 2008. Dilgeer, Dr Harjinder Singh (2012), Sikh History (in 10 volumes), publisher Sikh University Press & Singh Brothers Amritsar, 2010–12. Duggal, Kartar Singh (1988), «Philosophy and Faith of Sikhism», Himalayan Institute Press, Kaur, Surjit, Amongst the Sikhs: Reaching for the Stars, New Delhi, Roli Books, 2003 ISBN 81-7436-267-3 Khalsa, Guru Fatha Singh, Five Paragons of Peace: Magic and Magnificence in the Guru's Way, Toronto, Monkey Minds Press, 2010, ISBN 978968265819 Khalsa, Shanti Kaur, The History of Sikh Dharma of the Western Hemisphere, Sikh Dharma, Espanola, NM, 1995 ISBN 0-9639847-4-8 Singh, Khushwant (2006), «The Illustrated History of the Sikhs», Oxford University Press, India Singh, Patwant (1999), «The Sikhs», Random House, India, Takhar, Opinderjit Kaur, Sikh Identity: An Exploration of Groups Among Sikhs, Ashgate Publishing Company, Burlington, VT, 2005 ISBN 0-7546-5202-5 Teece, Geoff (2004), «Sikhism: Religion in focus», Black Rabbit Books, Dilgeer, Dr Harjinder Singh (1997), The Sikh Reference Book, publisher Sikh University Press & Singh Brothers Amritsar, 1997. Dilgeer, Dr Harjinder Singh (2005), Dictionary of Sikh Philosophy, publisher Sikh University Press & Singh Brothers Amritsar, 2005. Chopra, R. M. (2001), Glory of Sikhism, publisher Sanbun, New Delhi, ISBN 783473471195