Su, Utt., 64, 65.2 tatrābhaktaṃ prāgbhaktamadhobhaktaṃ madhyebhaktam antarābhaktaṃ sabhaktaṃ sāmudgaṃ muhurmuhurgrāsaṃ grāsāntaraṃ ceti daśauṣadhakālāḥ //

Su, Utt., 64, 68.1 prāgbhaktaṃ nāma yat prāgbhaktasyopayujyate //

Su, Utt., 64, 69.2 prāgbhaktasevitam athauṣadham etadeva dadyācca vṛddhaśiśubhīrukṛśāṅganābhyaḥ //