Sahih Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Volume: 005 / Book Number: 059 / Hadith Number: 543
Narrated 'Umar:
But for the other Muslims (i.e. coming generations) I would divide (the land of) whatever villages the Muslims might conquer (among the fighters), as the Prophet divided (the land of) Khaibar.