(49) باب عَدَدِ غَزَوَاتِ النَّبِيِّ صلى الله عليه وسلم
The (foregoing) tradition has also been narrated on the authority of Hatim through the same chain of transmitters with the difference that according to this version both these types of expeditions were seven in number.
Reference: Sahih Muslim 1815 b
In-book reference: Book 32, Hadith 180
USC-MSA web (English) reference(deprecated numbering scheme): Book 19, Hadith 4470