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Muhammad al-Mahdi - Wikipedia
Muhammad al-Mahdi al-Hujjah | Imam, Shiism, & Beliefs
Reappearance of Muhammad al-Mahdi - Wikipedia
Imam al-Mahdi | Al-Islam.org
Mahdi - Wikipedia
Muhammad al-Mahdi - Wikiwand
The Life of Imam Al-Mahdi | Al-Islam.org
Who are the Shia? ~ Hidden Imam | Wide Angle | PBS
Lesson 18: The Twelfth Imam: Muhammad al-Mahdi (a.s.)
Muhammad al-Mahdi - Wikipedia