D520 - 'phags pa rten cing 'brel bar 'byung ba zhes bya ba theg pa chen po'i mdo D522 - 'phags pa ye shes ta la la zhes bya ba'i gzungs 'gro ba thams cad yongs su sbyong ba
Compare with other witnesses:
D521 - 'phags pa rten cing 'brel bar 'byung ba'i snying po zhes bya ba