Ca, Sū., 26, 17.2 vakṣyante tu catuṣkeṇa dravyāṇi daśa pañca ca //

MBh, 1, 176, 29.7 catuṣkābhimukhīṃ ninyur abhiṣekāya yoṣitaḥ /

Rām, Su, 51, 19.1 catvareṣu catuṣkeṣu rājamārge tathaiva ca /

AHS, Sū., 10, 41.2 catuṣkeṣu daśa svāduś caturo 'mlaḥ paṭuḥ sakṛt //

AHS, Cikitsitasthāna, 15, 71.2 dāhayej jarjarīkṛtya dadhisnehacatuṣkavat //

AHS, Utt., 22, 90.2 ghaṭacatuṣke pādaśeṣe 'smin pūte punaḥ kvathanād ghane //

KumSaṃ, 7, 9.2 vāso vasānām abhiṣekayogyaṃ nāryaś catuṣkābhimukhaṃ vyanaiṣuḥ //

PABh zu PāśupSūtra, 3, 15, 10.0 āha krāthanādikriyācatuṣkaṃ yasya nāsti tasya sāmānyatvāt //

PABh zu PāśupSūtra, 3, 15, 18.0 āha kriyācatuṣkamevātra kartavyamiti //

PABh zu PāśupSūtra, 5, 4, 4.0 āha kiṃ lakṣaṇacatuṣkamevāsya yuktasyocyate //

Su, Cik., 29, 12.32 teṣāṃ tu pramāṇamardhacatuṣkamuṣṭayaḥ //

SūrSiddh, 1, 29.1 yuge sūryajñaśukrāṇām khacatuṣkaradārṇavāḥ /

RAdhyṬ zu RAdhy, 55.2, 3.0 tatastaṃ kaṭāhaṃ jalārdhapūrṇasthālikāmukhopari pradhvaraṃ muktvā sthālīkaṇṭhakaṭāhabundhakasaṃyogasthāne karpaṭamṛdaṃ dṛḍhaṃ dattvā kaṭāhamadhye chāṇakāni ghaṭīcatuṣkaṃ yāvaj jvālyante //

RAdhyṬ zu RAdhy, 230.2, 4.0 tataścitrakūṭakhaṭīlavaṇayoḥ samabhāgena cūrṇaṃ kṛtvā sthālīṃ bhṛtvā tasya madhye ūrdhvaṃ bruḍantaṃ pattraṃ muktvā mukhe'dhomukhaṃ śarāvaṃ kṛtvā sādha kaṇṭhe mṛdā liptvā śarāvasyoparyadhomukhaṃ ḍhaṅkaṇīṃ dattvā sthālikādhaḥ praharacatuṣkaṃ yāvat haṭhāgnir jvālanīyaḥ //

RAdhyṬ zu RAdhy, 339.2, 1.0 sarvottamasājīmaṇacatuṣkasya cūrṇaṃ sthālyāṃ kṣiptvā saṃdhyāyāṃ jalaghaṭastatra kṣepyaḥ //

RAdhyṬ zu RAdhy, 339.2, 2.0 tataḥ prātaḥ sājījalaṃ nītāryakābasaṃtyaktvā grāhyam tathā sarvottamapāṣāṇamaṇacatuṣkacūrṇaṃ sūkṣmaṃ tathā gandhakāmalasārasya maṇaikaṃ cūrṇaṃ sūkṣmamubhayaṃ piṣṭvā ekatra ca gāḍhaṃ piṣṭvā sthālyāṃ kṣiptvā tataḥ prathamagṛhītaṃ sarjikājalamanyasyāṃ sthālyāṃ muktvālpaghaṭamānamupari kṣipet //

TantraS, Trayodaśam āhnikam, 19.0 tatra citprakāśa eva madhyaṃ tata itarapravibhāgapravṛtteḥ prakāśasvīkāryam ūrdhvam atathābhūtam adhaḥ prakāśanasammukhīnaṃ pūrvam itarat aparam saṃmukhībhūtaprakāśatvāt anantaraṃ tatprakāśadhārārohasthānaṃ dakṣiṇam ānukūlyāt tatsammukhaṃ tu avabhāsyatvāt uttaram iti dikcatuṣkam //

TĀ, 3, 179.1 etadvarṇacatuṣkasya svoṣmaṇābhāsanāvaśāt /

TĀ, 16, 150.1 kalācatuṣkavattena tasminvācyaṃ vidhitrayam /

ĀVDīp zu Ca, Sū., 1, 1, 38.0 na cānayā vyutpattyā prakaraṇacatuṣkasthānādiṣvatiprasaṅgaḥ yato yogarūḍheyam adhyāyasaṃjñādhyāyasya prakaraṇasamūhaviśeṣa eva dīrghaṃjīvitīyādilakṣaṇe paṅkajaśabdavadvartate na yogamātreṇa vartate //

MuA zu RHT, 19, 35.2, 1.0 ghanasatvam abhrasāraḥ kāntaṃ cumbakotthaṃ sūto rasaḥ ekavadbhāvo dvandvasamāsāt tathā mṛtaṃ hema pañcatvamāptaṃ kanakaṃ ca etaccatuṣkaṃ śatāvarīrasopetaṃ śatamūlīdravabhāvitaṃ punarghṛtamadhulīḍhaṃ ghṛtamadhubhyāṃ līḍhaṃ āsvāditaṃ sat varṣādvarṣaparimāṇāt mṛtyuvyādhiṃ jarāṃ ca hanti nāśayatītyarthaḥ //