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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
muslim:677b – ʿAmr al-Nāqid And Zuhayr b. Ḥarb > Ismāʿīl > Ayyūb > Muḥammad

I asked Anas whether the Messenger of Allah ﷺ observed Qunut in the dawn prayer. He said: Yes, (he did so) after the ruku', for a short while.  

مسلم:٦٧٧b – وَحَدَّثَنِي عَمْرٌو النَّاقِدُ وَزُهَيْرُ بْنُ حَرْبٍ قَالاَ حَدَّثَنَا إِسْمَاعِيلُ عَنْ أَيُّوبَ عَنْ مُحَمَّدٍ قَالَ

قُلْتُ لأَنَسٍ هَلْ قَنَتَ رَسُولُ اللَّهِ ﷺ فِي صَلاَةِ الصُّبْحِ قَالَ نَعَمْ بَعْدَ الرُّكُوعِ يَسِيرًا  

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Collected by Bayhaqī
bayhaqi:3134 – ʿAlī b. Muḥammad b. ʿAbdullāh b. Bishrān al-ʿAdl> Ismāʿīl b. Muḥammad al-Ṣaffār > Aḥmad b. Mulāʿib > Aḥmad b. Isḥāq > Wuhayb > al-Ḥasan > Abū Rāfiʿ

[Machine] That Umar recited in the morning prayer after the bowing.  

البيهقي:٣١٣٤ – وَأَخْبَرَنَا عَلِيُّ بْنُ مُحَمَّدِ بْنِ عَبْدِ اللهِ بْنِ بِشْرَانَ الْعَدْلُ بِبَغْدَادَ أنبأ إِسْمَاعِيلُ بْنُ مُحَمَّدٍ الصَّفَّارُ ثنا أَحْمَدُ بْنُ مُلَاعِبٍ ثنا أَحْمَدُ بْنُ إِسْحَاقَ ثنا وُهَيْبٌ عَنِ الْحَسَنِ عَنْ أَبِي رَافِعٍ

أَنَّ عُمَرَ قَنَتَ فِي صَلَاةِ الصُّبْحِ بَعْدَ الرُّكُوعِ