Musnad Abu Ya'la al-Mawsili 149:106

Abu Bakr narrated to us, Ubayd ibn Sa'id narrated to us, Sufyan narrated to us, from Mansur, from Ibrahim, from al-Aswad, from Aisha: That the Prophet, peace and blessings of Allah be upon him, forbade the *duba* (gourd) and the *muzaffat* (pitch-coated vessel).