Srimad Bhagavatam 01.04.20 - History of Baldev Vidyabhushans debate at Jaipur (download mp3)
by Gauranga Prabhu at ISKCON Chowpatty
vedāś catvāra uddhṛtāḥ
pañcamo veda ucyate
The four divisions of the original sources of knowledge [the Vedas] were made separately. But the historical facts and authentic stories mentioned in the Purāṇas are called the fifth Veda.