Society by W. H. McLeod. Published by Columbia University Press (15 April 1989). The Sikh Diaspora: Tradition and Change in an Immigrant Community (Asian Americans — Reconceptualising Culture, History, Politics) by Michael Angelo. Published by Routledge (1 September 1997). . Glory of Sikhism by R. M. Chopra, Sanbun Publishers, 2001, , . The Philosophical and Religious Thought of Sikhism by R. M. Chopra, 2014, Sparrow Publication, Kolkata, . The Construction of Religious Boundaries: Culture, Identity, and Diversity in the Sikh Tradition - H Oberoi - 1994 University of Chicago Press, . Architectural Heritage of a Sikh State: Faridkot by Subhash Parihar, Delhi: Aryan Books International, 2009, . A Study of Religions'' by R. M. Chopra, Anuradha Prakashan, New Delhi, 2015. . External links Sikhism at the BBC Ethno-cultural designations Ethnoreligious groups Punjabi words and phrases Religious identity