TantraS, 3, 13.0 tad etad varṇacatuṣṭayam ubhayacchāyādhāritvāt napuṃsakam ṛ ṝ ﾱ ﾲ iti //

TantraS, 3, 16.0 sā iyaṃ kriyāśaktiḥ tad eva ca varṇacatuṣṭayam e ai o au iti //

TantraS, 9, 48.0 etad eva avasthācatuṣṭayaṃ piṇḍasthapadastharūpastharūpātītaśabdair yogino vyavaharanti prasaṃkhyānadhanās tu sarvatobhadraṃ vyāptiḥ mahāvyāptiḥ pracaya iti śabdaiḥ //

TantraS, 10, 7.0 etad eva aṇḍacatuṣṭayaṃ pārthivaprākṛtamāyīyaśāktābhidham //