This is the third volume of Musnad Imam Ahmad, it is widely regard as the one of most authentic collections of hadith after the Kutub as-Sittah.
This volume contains the following contents:
Hadith #2823 to #4376
- Musnad of Abdullah Ibn al-Abbas Ibn Abdil-Muttalib, Hadith #2823 - 3547
- Musnad of Abdullah Ibn Mas'ud, Hadith #3548 - 4376