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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
hakim:5318 – Aḥmad b. Yaʿqūb al-Thaqafī > Mūsá b. Zakariyyā > Khalīfah b. Khayyāṭ

[Machine] Ubayy ibn Ka'b died during the caliphate of Uthman in the year 32 of the caliphate.  

الحاكم:٥٣١٨ – أَخْبَرَنِي أَحْمَدُ بْنُ يَعْقُوبَ الثَّقَفِيُّ ثَنَا مُوسَى بْنُ زَكَرِيَّا ثَنَا خَلِيفَةُ بْنُ خَيَّاطٍ قَالَ

«مَاتَ أُبَيُّ بْنُ كَعْبٍ فِي خِلَافَةِ عُثْمَانَ سَنَةَ اثْنَتَيْنِ وَثَلَاثِينَ الْخِلَافُ ظَاهِرٌ فِي وَقْتِ وَفَاةِ أُبَيِّ بْنِ كَعْبٍ»