Garudapurana 2.39.21.p1

2.39.21.p1

iti śrīgāruḍe mahāpurāṇe uttarakhaṇḍe dvitīdṛ dhadṛpretakalpe śrīkṛṣṇagaruḍasaṃvāde sūtakakālādinirūpaṇaṃ nāmai konacatvāriṃśo 'dhyāyaḥ

Thus ends the thirty-ninth chapter in the Pretakalpa in the Dharmakāṇḍa, the second part of the Uttarakhaṇḍa in the glorious Garuḍa Mahāpurāṇa, in the dialogue between Śrī Kṛṣṇa and Garuḍa, entitled 'Ascertainment of the Period of Impurity and Related Matters'.