Muwatta Malik 181
موطأ مالك#181Sahihحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، أَنَّ أَبَا بَكْرٍ الصِّدِّيقَ، صَلَّى الصُّبْحَ فَقَرَأَ فِيهَا سُورَةَ الْبَقَرَةِ فِي الرَّكْعَتَيْنِ كِلْتَيْهِمَا .
Yahya related to me from Malik from Hisham ibn Urwa from his father that Abu Bakr as-Siddiq prayed subh and recited suratal-Baqara in the two rak'as
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih Lighairihi
In-book reference: 3:14