Musannaf Ibn Abi Shayba 13:2141

Abu Bakr narrated to us, he said: Ibn Abi Za'idah narrated to us, from Isma'il ibn Abi Khalid, he said: I saw Shurayh judging, and with him was Abu 'Amr al-Shaybani and elders like him, sitting with him at the place of judgment.