Musannaf Ibn Abi Shayba 3:3440

Humaid ibn Abd al-Rahman narrated to us, from Hasan ibn Salih, from Ibn Abi Layla, from Isa, from Abd al-Rahman ibn Abi Layla, who said: He led the people in prayer in the Mosque of Kufa, two rak'ahs, during the governorship of Mus'ab ibn al-Zubayr.