(1) باب شَرْحِ السُّنَّةِ
Narrated AbuHurayrah:
The Prophet (ﷺ) said: The Jews were split up into seventy-one or seventy-two sects; and the Christians were split up into seventy one or seventy-two sects; and my community will be split up into seventy-three sects. (JA)
Reference (JA): Sunan Abi Dawud 4596 (JA)
In-book reference (JA): Book 42, Hadith 1 (JA)
English translation (JA): Book 41, Hadith 4579 (JA)