JB, 1, 159, 3.0 tasmāt kakubhaḥ pūrvārdhe 'kṣarāṇi bhūyiṣṭhāni //

JB, 1, 242, 5.0 tasyā etasyai kakubho 'ṣṭāviṃśatyakṣarāyai viṃśatim akṣarāṇi gāyatryām upadadhāti //

JB, 1, 243, 10.0 ekasyai kakubho 'ṣṭāviṃśatyakṣarāyai catvāry akṣarāṇy ādāya vāmadevyasya nyūne trīṇy upadadhāti yajñāyajñīya ekam //

KS, 12, 4, 50.0 uṣṇihā vai kakubho vīryaṃ kakub uṣṇihāyāḥ //

KS, 14, 8, 5.0 kakubho rājaputraḥ prāśnāti //

PB, 8, 5, 2.0 uṣṇikkakubbhyāṃ vā indro vṛtrāya vajraṃ prāharat kakubhi parākramatoṣṇihā prāharat tasmāt kakubho madhyamaṃ padaṃ bhūyiṣṭhākṣaraṃ parākramaṇaṃ hi tad abhisamauhat tasmād uṣṇiha uttamaṃ padaṃ bhūyiṣṭhākṣaraṃ puro gurur iva hi vajraḥ //