Yahya related to me from Malik, from Abu'l-Aswad Muhammad ibn'Abd ar-Rahman, from Urwa ibn az-Zubayr, from A'isha, umm al-muminin,that the Messenger of Allah, may Allah bless him and grant him peace,did hajj on its own.
USC-MSA web (English) reference: Book 20, Hadith 38
Arabic reference: Book 20, Hadith 745