mantre
aṣṭādaśa-akṣara-mantre — by the hymn composed of eighteen letters; CC Adi 5.221
veda-mantre — by the power of Vedic hymns; CC Adi 17.161
kṛṣṇa-mantre — in the holy mantra Hare Kṛṣṇa; CC Madhya 19.5
ei mantre — by this mantra; CC Madhya 20.339
upadeśa-mantre — by instruction and hymns; CC Madhya 22.14-15
bāla-gopāla-mantre — with the mantra of Bāla-gopāla, child Kṛṣṇa; CC Antya 7.148