آزادفاروقی، عمادالحسن (1986)، دنیا کهِ برهِ مذهب، دهلی نو: جامعه لِمتد، (اردو).
ﺳﻨﮕﻬ، جودﻫ (بی‌تا)، گورو صاحب اور وید، امریتسر: وزیر هند پریس، نسخه خطی (اردو).
سینگ سامبهی، پیارا، و دبلیو اوون کول (1369)، سیک‌ها: معتقدات مذهبی و رویّة آنان، فیروز فیروزنیا، تهران: توسعه.
ﺳﻴﻨﮕﻬ، سودهی تیجا (1997)، وچترجیون دس پاتشاهی، امریتسر: مائی سیوا (اردو).
Bala, Shashi (1999), Sikh Metaphysics, Amritsar: Singh Bros.
Bowker, John (1997), The Oxford Dictionary of World Religions, New York: Oxford University Prees.
Chander Dogra, Ramesh and Gobind Singh Mansukhani (1997), Encyclopaedia Of Sikh Religion and Culture, Delhi: Vikas Publishing House.
D. Baird, Robert (1995), Religion in Modern India, New Delhi: Manohar.
Dhillon, Harish (2000), The Lives and Teachings of The Sikh Gurus, Delhi: UBSPD.
Duggal, K. S. (1997), Sikh Gurus Their Lives and Teachings, Delhi: UBSPD.
Eliade, Mircea (ed.) (1987), The Enyclopediya of Religion, New York: Macmillan.
Gupta, Hari Ram (2000), History of the Sikhs, New Delhi: Munshiram Manoharlal.
Hinnells, John R. and W. Owencole (1996), A new Hand book of Living Religions, Oxford: Black well Publishers.
Howley, John and Hada Bharata Dasa (1996), Holy Places and Temples of India, New Delhi: Spiritual Guide.
Lopez, S. (1998), Religions of India in Practice, New Delhi: Mnshiram Manoharlal.
Madan, T. N. (1998), Modern Myths locked Minds, Delhi: Oxford University Press.
Mansukhani, S. G. (2004), Introduction to Sikhism, New Delhi: Hemkunt press.
McLeod, W. H. (2002), Historical Dictionary of Sikhism, UK: Oxford.
___________ (2005), Sikhs of the Khalsa A Histoty of the Khalsa Rahit, New Delhi: Oxford India Paperbacks.
___________ (2000), Exploring Sikhism, New Delhi: Oxford University.
___________ (1999), Sikhs and Sikhism (The Sikh Scriptures), New Delhi: New York: Oxford University.
Mittal, Sushil and Gene Thursby (2006), Religions of South Asia, London and New York: Routledge.
Nigosian, S. A. (1994), World Faiths, New York: Martins Press.
Owen Cole, W. (2004), Six World Faiths, London: Continuum.
___________ and Peggy Morgan (2000), Six Religions, England: Stanly Thornes.
___________ and Piara W. Singh Sambhi, (1989), The Sikhs Their Religious Beliefs and Practices, London: Routledge.
___________ and Piara W. Singh Sambhi, (1997), A popular Dictionary of Sikhism, USA: Curzon Press.
Shromnī Gurdwārā prabandak committee (1998), Sikh Rehat Maryada, Amritsar: Dharam prachār committee, (Gurmukhi).
Singh Caveeshar, Sardul (2000), OF SIKHISM, Patiala: Phulkian Press.
Singh, Avtar (1996), Ethics of The Sikhs, Patiala: Punjabi University.
Singh, Dalip (1979), Sikhism, New Delhi: Bahri Publications.
Singh, Gopal (1971), The Religion of the Sikhs, Bombay: Asia Pablishing House.
Singh, Harbans (1999), The Heritage of the Sikhs, New Delhi: Manohar.
___________ (2001), The Encyclopaedia of Sikhism, Patiala: Punjabi University.
Singh, Ishar (1985), The Philosophy of Guru Nanak, New Delhi: Atantic.
Singh, Jagraj (2009), a Complete Guide to Sikhism, Chandigarh: Unistar.
Singh, Jodh (1993), Sikh Dharm or Darshan ki Ruprekha, Delhi: National Book Shop.
___________ (2000), Outlines of Sikh Philosophy, Patiala: Sikh Heritage Publications.
Singh, Sangat (2001), The Sikh in History a Millennium Study, New Delhi: Uncommon Books.
Singh, Wazir (1999), Sikhism Philosophy and Culture, Delhi: National Book Shop.
"Information About Neeldhari" (n.d), Retrieved from http://neelabanna.weebly.com /neeldhari.html.
"Neeldhari Panth" (30 October 2009), Retrieved from http://www.sikhiwiki.org /index.php/Neeldhari_Panth.
"Nirmala" (16 August 2008), Retrieved from http://www.sikhiwiki.org/ index.php/ Neeldhari_Panth.
)