صحيح مسلم
Sahih Muslim
كتاب الإمارة
The Book on Government
باب اسْتِحْبَابِ مُبَايَعَةِ الإِمَامِ الْجَيْشَ عِنْدَ إِرَادَةِ الْقِتَالِ وَبَيَانِ بَيْعَةِ الرِّضْوَانِ تَحْتَ الشَّجَرَةِ:
Chapter: It is recommended for the army to swear allegiance to the ruler when intending to fight, and an account of Bay'at Ar-Ridwan beneath the tree
Hadith 1856
This hadith is listed as number 4814 in Maktaba Shamila
وحَدَّثَنَا وحَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ ، وَإِسْحَاقُ بْنُ إِبْرَاهِيمَ ، قَالَ إِسْحَاقُ : أَخْبَرَنَا وقَالَ عُثْمَانُ : حَدَّثَنَا جَرِيرٌ ، عَنْ الْأَعْمَشِ ، حَدَّثَنِي سَالِمُ بْنُ أَبِي الْجَعْدِ ، قَالَ : قُلْتُ لِجَابِرٍ : " كَمْ كُنْتُمْ يَوْمَئِذٍ ؟ ، قَالَ : أَلْفًا وَأَرْبَعَ مِائَةٍ " .
It has been narrated (through a different chain of transmitters) on the authority of Salim bin al-Ja'd who said: I asked Jabir: How many were you on the Day of Hudaibiya? He said: One thousand and four hundred.
