Sahih Muslim
The Book of Marriage (Kitab Al-Nikah)
Book Number: 008 / Hadith Number: 3283
Ibn Abbas (Allah be pleased with them) reported that Allah's Apostle (may peace be upon him) married Maimulna in the state of Ihram. Ibn Numair made this addition:" I narrated it to Zuhri and he said: Yazid b. al-Asamm (Allah be pleased with him) told me that he (the Holy Prophet) married her when he was not a muhrim."