Nota Umar Al-Khattab

  1. ↑ Ibn Hajar Al-Asqalani, Ahmad bin Ali. Lisan Ul-Mizan: *Umar bin al-Khattab al-Adiyy.
  2. ↑ Muhammad, ibn Sa'ad (830-840 BCE). At-Tabaqat al Kubra. m/s. Chapter 3 page 281.  Check date values in: |date= (bantuan)
  3. ↑ (Inggeris) Lings, Martin (2005). Muhammad, his life based on the earliest sources. Lahore: Suhail Academy. m/s. 85-87. ISBN 969519088X. 
  4. ↑ Safi-ur-Rahman al-Mubarkpuri (1995). "Open Preaching". Ar-Raheeq Al-Makhtum (kulit keras)|format= memerlukan |url= (bantuan) (dalam bahasa Inggeris). Riyadh: Maktaba Dar-us-Salam. m/s. 109–114. 
  5. ↑ Haykal, 1944. Chapter 22.
  6. ↑ Modern reformist thought in the Muslim world. By Mazheruddin Siddiqi, Adam Publishers & Distributors, p. 147
  7. ↑ "Khalifa Umar bin al-Khattab – Death of Umar". Dicapai 2015-01-19. 
  8. ↑ Haykal, 1944. Chapter "Death of Umar".
  9. ↑ http://dsc.discovery.com/news/2008/11/18/islamic-inscription-02.html
  10. 1 2 3 "Hadrat Umar Farooq" by Masud-Ul-Hasan
  11. ↑ Lisan al-Arab 4/196
  12. 1 2 ibn Sa'ad, 3/ 324
  13. ↑ History of the Prophets and Kings (Tarikh ar-Rusul wa al-Muluk) 4/ 196 by Muhammad ibn Jarir al-Tabari