ĀpGS, 2, 12.1 sarvaṛtavo vivāhasya śaiśirau māsau parihāpyottamaṃ ca naidāgham //

ĀpGS, 8, 13.1 rajasaḥ prādurbhāvāt snātām ṛtusamāveśana uttarābhir abhimantrayeta //

ĀpGS, 9, 1.1 caturthīprabhṛty ā ṣoḍaśīm uttarām uttarāṃ yugmāṃ prajāniḥśreyasam ṛtugamana ity upadiśanti //

ĀpGS, 10, 4.1 vasanto grīṣmaḥ śarad ity ṛtavo varṇānupūrvyeṇa //