Vishnupurana 3.4.2

3.4.2

tato 'tra matsuto vyāso 'ṣṭāviṃśatitame 'ntare
vedam ekaṃ catuṣpādaṃ caturdhā vyabhajat prabhuḥ //

PARÁŚARA.--The original Veda, in four parts, consisted of one hundred thousand stanzas; and from it sacrifice of ten kinds, the accomplisher of all desires, proceeded. In the twenty-eighth Dwápara age my son Vyása separated the four portions of the Veda into four Vedas. In the same manner as the Vedas were arranged by him, as Vedavyása, so were they divided in former periods by all the preceding Vyásas, and by myself: and the branches into which they were subdivided by him were the same into which they had been distributed in every aggregate of the four ages. Know, Maitreya, the Vyása called Krishńa Dwaipáyana to be the deity Náráyańa; for who else on this earth could have composed the Mahábhárata? Into what portions the Vedas were arranged by my magnanimous son, in the Dwápara age, you shall hear.