Musnad Abu Ya'la al-Mawsili 249:9

Abu Hammam narrated to us, he said: Baqiyyah ibn al-Walid narrated to me, from Uthman ibn Abd al-Rahman al-Qurashi, he said: Anbasah ibn Sa'id al-Qurashi narrated to me, from Makhul, from Wathilah ibn al-Asqa', he said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "The lesbianism of women among themselves is adultery."