Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Parosahassa Sutta
Parosahassa Sutta:Relates how once,when the Buddha was at Jetavana with twelve hundred and fifty monks,instructing them and inciting them by means of a sermon on Nibbāna,Vangīsa,who was in the assembly,after obtaining the Buddha';s permission,extolled him in a number of verses. S.i.192.