حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم اعْتَمَرَ ثَلاَثًا عَامَ الْحُدَيْبِيَةِ وَعَامَ الْقَضِيَّةِ وَعَامَ الْجِعِرَّانَةِ ‏.‏

Yahya related to me from Malik that he had heard that theMessenger of Allah, may Allah bless him and grant him peace, did umrathree times: in the year of Hudaybiya, in the year of al-Qadiyya, andin the year of al-Jiirrana. Translation Not Available

Book Ref: Muwatta Imam Malik Book 20 Hadith 761
Web Ref:  Muwatta Imam Malik Book 20 Hadith 56