Musannaf Ibn Abi Shayba 3:6417

Waki’ narrated to us, he said: Sufyan narrated to us, from Salamah ibn Kuhayl, from al-Hasan al-‘Arani, from Ibn ‘Abbas, he said: The Messenger of Allah (may Allah bless him and grant him peace) used to recite in the Dhuhr and the ‘Asr.