All these excellent matters have been treated in this Anushasana Parva containing variety of incidents. It also describes ascension of Bhishma to heaven.
एतत्सुबहुवृत्तांतमुत्तमं चानुशासनम्। भीष्यस्यात्रैव संप्राप्तिः स्वर्गस्य परिकीर्तिता॥