And additional reading. This is not a complete list by any means.

  1. https://www.bbc.co.uk/religion/religions/sikhism/customs/nanakshahi.shtml
  2.  http://www.purewal.biz/compnsbk.pdf
  3. https://www.theworldsikhnews.com/guru-gobind-singh-gurpurab-5-jan-gathers-momentum/
  4. https://gurvichar.com/2018/01/28/the-calendar-issue-part-4-the-bikrami-saka-and-purewals-mool-nanakshahi-calendar/
  5. http://www.sikhs.org/dates.htm
  6. “World Sikh News”
  7. https://www.sikhiwiki.org/index.php/Vaisakhi
  8. Singh, Irwin Preet. “Mool Nanakshahi Calendar Plugs Bikrami Gaps”.
  9. Purewal, Pal. “Gurbani and Nanakshahi Calendar” (PDF).
  10. Purewal, Pal. “Difference Between Nanakshahi and Bikrami Caldenar” (PDF).
  11.  https://nanakshahicalendar.com
  12. https://www.hindustantimes.com/punjab/ht-explainer-know-about-the-controversial-nanakshahi-calendar/story-UeKm0yTcDtat1FCRIel86K.html
  13. https://www.theworldsikhnews.com/sikh-youth-of-punjab-releases-genuine-nanakshahi-calendar/
  14. “The Chicago Tribune”.
  15. “Parkash Purab Guru Gobind Singh Ji Gathers Momentum”.
  16. “World Sikh News”.
  17. https://www.tribuneindia.com/news/punjab/nanakshahi-calendar-out-in-pakistan-55644#.
  18. “Adopt Mool Nanakshahi Calendar”.
  19. https://www.sikhiwiki.org/index.php/Vaisakhi
  20.  J. Gordon Melton, Martin Baumann (2010) Religions of the World: A Comprehensive Encyclopedia of Beliefs and Practices, 2nd Edition [6 volumes]. ABC-Clio [1]
  21. Kohli, Surindar Singh (1992) A Conceptual Encyclopaedia of Guru Granth Sahib.Manohar Publishers & Distributors [2]
  22. http://old.sgpc.net/festivals/index.asp
  23. https://www.pitara.com/non-fiction-for-kids/festivals-for-kids/gurpurab-the-birth-of-guru-nanak/
  24. Rozana Spokesman
  25. Bandhi Chorr Divas