There are two titles in this volume.

The Treatise on the Elucidation of the Knowable was written in the Yuan Period by the Tibetan 'Phags-pa for the Chinese Crown Prince at the time as an outline of Buddhist thought, and deals with such subjects as the Buddhist view of life and Buddhist cosmology. The teachings set forth are based on the whole on the Abhidharmakosa-bhasya, but there are also to be found ideas peculiar to this work. The title, Treatise on the Clarification of What is to be Known, implies that all teachings which it is necessary to know are made clear by the contents...