NASAI 3706:
from Zayd b. Thābit —
"My father narrated to us: Ubaidullah -he is, Ibn 'Amr- narrated to us, from Sufyan, from Ibn Abi Najih, from Tawus, from Zaid bin Thabit, that the Prophet said: 'Ar-Ruqba is permissible.'"
النسائي ٣٧٠٦:
عن زيد بن ثابت —
عَنِ النَّبِيِّ ﷺ قَالَ الرُّقْبَى جَائِزَةٌ