Musannaf Ibn Abi Shaybah 14231 — Tamattu: those who held by it

Malik bin Dinar said: I asked eight people about joining Umrah to Hajj (tamattu'), and all of them commanded me to do it. These eight were: al-Hasan, Ata, Tawus, Jabir bin Zayd, Salim bin Abdullah, Ikrimah, Mujahid and al-Qasim.