The first part of the Musnad: What one should begin with regarding obedience to the Imam, refraining from rebelling against him, and other such matters.
أَوَّلُ كِتَابِ الْمُسْنَدِ، مَا يُبْتَدَأُ بِهِ مِنْ طَاعَةِ الْإِمَامِ، وَتَرْكِ الْخُرُوجِ عَلَيْهِ، وَغَيْرِ ذَلِكَ