• Adíb Tálaqání (Hand of the Cause), by Moojan Momen, in Encyclopaedia Iranica, Volume 1 (1985) • Afnán: Genealogy of the Afnān Family, by Moojan Momen, in Encyclopaedia Iranica, Volume 1 (1985) • Alí Akbar Shahmírzádí (Hájjí Akhund), by Moojan Momen, in Encyclopaedia Iranica, Volume 1 (1985) • Amín Hájjí: trustees of Huqúqu'lláh, by Moojan Momen, in Encyclopaedia Iranica, Volume 1 (1985) • Badasht, by Moojan Momen, in Encyclopaedia Iranica, Volume 3 (1989) • Baha'i Pioneers, by Moojan Momen, in Encyclopaedia Iranica (2013) • Bahá'í Conventions, by Moojan Momen, in Encyclopaedia Iranica, Volume 3 (1989) • Bahá'íyyih Khánum, by Moojan Momen, in Encyclopaedia Iranica, Volume 3 (1989) • Balyuzi, H. M., by Moojan Momen, in Encyclopaedia Iranica, Volume 3 (1989) • Chase, Thornton, by Moojan Momen, in Encyclopaedia Iranica, Volume 5 (1992) • Cosmogony and Cosmology, by Moojan Momen, in Encyclopaedia Iranica, Volume 6 (1993) •
Dhikr: in the Bábí and Bahá'í Religions, by Moojan Momen, in Encyclopaedia Iranica, Volume 7 (1996) • Divorce, by Moojan Momen, in Encyclopaedia Iranica, Volume 7 (1996) • Dolgorukov Memoirs, by Moojan Momen, in Encyclopaedia Iranica, Volume 7 (1996) • Fayzí, Abu'l-Qásim (Hand of the Cause), by Moojan Momen, in Encyclopaedia Iranica, Volume 9 (1999) • Festivals, Bahá'í, by Moojan Momen, in Encyclopaedia Iranica, Volume 9 (1999) • Fádl Mázandarání, Mírzá Asadu'lláh, by Moojan Momen, in Encyclopaedia Iranica, Volume 9 (1999) • Haydar Alí Isfahání, by Moojan Momen, in Encyclopaedia Iranica, Volume 12 (2004) • Hidden Words (Kalemát-i-Maknuna), by Moojan Momen, in Encyclopaedia Iranica (2011) • House of Justice (Baytu'l-'Adl), by Moojan Momen, in Encyclopaedia Iranica, Volume 3 (1989) • Lawh (Tablet), by Moojan Momen and Todd Lawson, in Encyclopaedia Iranica (2005) • Martyrs, Bábí, by Peter Smith and Moojan Momen, in Encyclopaedia Iranica (2005) • Mashriqu'l-Adhkár, by Moojan Momen, in Encyclopaedia Iranica (2010) • Mazhar-i Ilahi (Manifestation of God), by Moojan Momen, in Encyclopaedia Iranica (2016) • Mírzá Abu'l-Fadl Gulpáyegání, by Moojan Momen, in Encyclopaedia Iranica, Volume 1 (1985) • Nineteen Day Feast, by Moojan Momen, in Encyclopaedia Iranica (2014) • Sabet, Habib, by Moojan Momen, in Encyclopaedia Iranica (2015) •
Shoghi Effendi, by Moojan Momen, in Encyclopaedia Iranica (2011) • Sobhi, Fazlollah Mohtadi, by Moojan Momen, in Encyclopaedia Iranica (2015) •
Spiritual Assembly (Mahfel-i-Ruháni), by Moojan Momen, in Encyclopaedia Iranica (2011) • Vahíd (Sayyed Yahyá Dárábí), by Moojan Momen, in Encyclopaedia Iranica, Volume 7 (1996) • Women in the works of the Bab and in the Babi Movement, by Moojan Momen, in Encyclopaedia Iranica (2011) • Zuhur al-Haqq, by Moojan Momen, in Encyclopaedia Iranica (2002) ==Chapters in books==