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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
nasai-kubra:699 – ʿAlī b. Ḥujr > Ismāʿīl > Dāwud > ʿUbaydullāh b. ʿAbdullāh b. Aqram from his father

"I prayed with the Messenger of Allah ﷺ and I used to see the whiteness of his armpits when he prostrated." (Using translation from Nasāʾī 1108)  

الكبرى للنسائي:٦٩٩ – أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ قَالَ حَدَّثَنَا إِسْمَاعِيلُ قَالَ حَدَّثَنَا دَاوُدُ عَنْ عُبَيْدِ اللهِ بْنِ عَبْدِ اللهِ بْنِ أَقْرَمَ عَنْ أَبِيهِ قَالَ

«صَلَّيْتُ مَعَ رَسُولِ اللهِ ﷺ فَكُنْتُ أَرَى عُفْرَةَ إِبِطِهِ إِذَا سَجَدَ»  

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Collected by Nasāʾī
nasai:1108 – ʿAlī b. Ḥujr > Ismāʿīl > Dāwud b. Qays > ʿUbaydullāh b. ʿAbdullāh b. Aqram from his father

"I prayed with the Messenger of Allah ﷺ and I used to see the whiteness of his armpits when he prostrated."  

النسائي:١١٠٨ – أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ قَالَ أَنْبَأَنَا إِسْمَاعِيلُ قَالَ حَدَّثَنَا دَاوُدُ بْنُ قَيْسٍ عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ أَقْرَمَ عَنْ أَبِيهِ قَالَ

صَلَّيْتُ مَعَ رَسُولِ اللَّهِ ﷺ فَكُنْتُ أَرَى عُفْرَةَ إِبْطَيْهِ إِذَا سَجَدَ