Jami' al-Saghir / Jam' al-Jawami' (al-Suyuti) 4-2809b
"عَنْ عَلِىٍّ: أَنَّهُ سُئِلَ عَنْ بِيْعِ الْوَلَاءِ فَقَالَ: أَيَبِيعُ الرَّجُلُ نَسَبهُ؟ ".
Notes
[ق] البيهقى في السنن
machine translation[Q] Al-Bayhaqī in al-Sunan
Grades by grader
No grade is recorded for this wording. Ask what scholars say about its grade