References

RArṇ, 6, 76.1
  dravyakārī tathā vaiśyaḥ śarīraṃ dṛḍhatāṃ nayet /Context
RājNigh, 13, 178.2
  dravyākarṣaṇasiddhidastu sutarāṃ vaiśyo'tha śūdro bhavet sarvavyādhiharastadeṣa kathito vajrasya varṇyo guṇaḥ //Context