Musnad Abu Ya'la al-Mawsili 108:1

Abu Ya'la Ahmad ibn Ali ibn al-Muthanna al-Mawsili informed us, Shayban narrated to us, Jarir narrated to us, he said: I heard Ata ibn Abi Rabah, Jabir ibn Abdullah narrated to us that the Prophet, peace and blessings of Allah be upon him, forbade mixing raisins and dates, and unripe dates and dates.