Sahih al-Bukhari 1779
Book 26: `Umrah (Minor pilgrimage) · Narrated by Qatada
Arabic
حَدَّثَنَا أَبُو الْوَلِيدِ، هِشَامُ بْنُ عَبْدِ الْمَلِكِ حَدَّثَنَا هَمَّامٌ، عَنْ قَتَادَةَ، قَالَ سَأَلْتُ أَنَسًا ـ رضى الله عنه ـ فَقَالَ اعْتَمَرَ النَّبِيُّ صلى الله عليه وسلم حَيْثُ رَدُّوهُ، وَمِنَ الْقَابِلِ عُمْرَةَ الْحُدَيْبِيَةِ، وَعُمْرَةً فِي ذِي الْقَعْدَةِ وَعُمْرَةً مَعَ حَجَّتِهِ.
English translation
Narrated Qatada:I asked Anas (about the Prophet's `Umra) and he replied, "The Prophet (ﷺ) performed `Umra when the pagans made him return, and Umra of al-Hudaibiya (the next year), and another `Umra in Dhi-l-Qa'da, and another `Umra in combination with his Hajj
Reference: Sahih al-Bukhari 1779, Book of `Umrah (Minor pilgrimage). English translation by Dr. Muhammad Muhsin Khan.