ŚBM, 1, 2, 4, 2.1 tato dvābhyām brāhmaṇā yajñe caranti dvābhyāṃ rājanyabandhavaḥ saṃvyādhe yūpena ca sphyena ca brāhmaṇā rathena ca śareṇa ca rājanyabandhavaḥ //