Musnad Abu Ya'la al-Mawsili 42:51

Al-Hasan ibn ‘Isa narrated to us, Ibn al-Mubarak informed us, Sufyan narrated to us, from Hisham Abu Kulayb, from Ibn Abi Nu’m, from Abu Sa’id, who said: He forbade the stud fee of a stallion and the payment of the miller.