the Linga Purana, the Markendeya Purana, the Kurma Purana, the Garuda Purana, the Padma Purana and the Shiva Purana have similar narratives of the cosmogonic myth, wherein Brahma, identified with Vishnu, takes the Varaha form to raise the earth from the primeval waters.

The Brahmanda Purana, one of the oldest