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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
bayhaqi:6944 – Abū Bakr b. al-Ḥārith al-Faqīh > ʿAlī b. ʿUmar al-Ḥāfiẓ > al-Ḥusayn b. Ismāʿīl > Abū Hishām > Ḥafṣ > ʿAbd al-Malik b. Salʿ > ʿAbd Khayr > ʿAlī

[Machine] He used to pray six takbeers for the people of Badr, five for the Companions of Muhammad ﷺ , and four for the rest of the people.  

البيهقي:٦٩٤٤ – وَأَخْبَرَنَا أَبُو بَكْرِ بْنُ الْحَارِثِ الْفَقِيهُ أنبأ عَلِيُّ بْنُ عُمَرَ الْحَافِظُ ثنا الْحُسَيْنُ بْنُ إِسْمَاعِيلَ ثنا أَبُو هِشَامٍ ثنا حَفْصٌ عَنْ عَبْدِ الْمَلِكِ بْنِ سَلْعٍ عَنْ عَبْدِ خَيْرٍ عَنْ عَلِيٍّ ؓ

أَنَّهُ كَانَ يُكَبِّرُ عَلَى أَهْلِ بَدْرٍ سِتًّا وَعَلَى أَصْحَابِ مُحَمَّدٍ ﷺ خَمْسًا وَعَلَى سَائِرِ النَّاسِ أَرْبَعًا  

See similar narrations below:

Collected by Suyūṭī
suyuti:4-518b – ʿBd Khyr
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السيوطي:٤-٥١٨b –

"عن عبد خير قال: كَانَ عَلِىٌّ يُكبِّرُ عَلَى أهْلِ بَدْرٍ ستّا، وَعَلَى أَصْحَابِ النَّبِى ﷺ خَمْسًا، وَعَلَى سَائِرِ الناسِ أرْبَعًا".  

الطحاوى