Musnad Ahmad 1153:1929

Ibn Numayr narrated to us, Hisham narrated to us, and Abu Usamah narrated to us, he said: Hisham—meaning Ibn Urwah—informed us, from Abbad ibn Abdullah ibn al-Zubayr, from Aisha, she said: I heard the Messenger of Allah (peace and blessings of Allah be upon him)—Abu Usamah said in his narration: I heard Aisha say: I heard the Messenger of Allah (peace and blessings of Allah be upon him) before he passed away, while I was leaning him against my chest, saying: "O Allah, forgive me, have mercy upon me, and join me with the Highest Companion."