References

RRS, 2, 4.2
  śvetādivarṇabhedena pratyekaṃ taccaturvidham //Context
RRS, 2, 9.1
  śvetaṃ raktaṃ ca pītaṃ ca kṛṣṇamevaṃ caturvidham /Context
RRS, 2, 10.1
  caturvidhaṃ varaṃ vyoma yadyapyuktaṃ rasāyane /Context
RRS, 2, 135.1
  gauraḥ śveto 'ruṇaḥ kṛṣṇaścapalastu caturvidhaḥ /Context
RRS, 4, 31.1
  śvetādivarṇabhedena tadekaikaṃ caturvidham /Context
RRS, 5, 83.2
  evaṃ caturvidhaṃ kāntaṃ romakāntaṃ ca pañcamam //Context