When Umar came to the door of the house of Fatimah, he said:"By Allah, I shall burn down (the house) over you unless you come out and give the oath of allegiance (to Abu Bakr)."
- History of Tabari (Arabic), v1, pp 1118-1120
- History of Ibn Athir, v2, p325
- al-Isti'ab, by Ibn Abd al-Barr, v3, p975
- Tarikh al-Kulafa, by Ibn Qutaybah, v1, p20
- al-Imamah wal-Siyasah, by Ibn Qutaybah, v1, pp 19-20