Skandapurana 5.120.121

5.120.121

iti śrīskāṃde mahāpurāṇa ekāśītisāhasryāṃ saṃhitāyāṃ ṣaṣṭhe nāgarakhaṇḍe hāṭakeśvarakṣetramāhātmye mahiṣāsuraparājaya kātyāyanīmāhātmyavarṇanaṃnāma ekaviṃśatyuttaraśatatamo'dhyāyaḥ .. 121 .. .. ..

Thus ends the one hundred twenty-first chapter, named 'Defeat of Mahiṣāsura and Description of the Glory of Kātyāyanī,' in the Hāṭakeśvarakṣetramāhātmya of the Nāgarakhaṇḍa, the sixth [section], in the glorious Skanda Mahāpurāṇa, a collection of eighty-one thousand [verses].