The Great Triad - Brhat Trayi

  • -Charaka Samhitta Written by Charkrapani Datta 300 BCE
  • -Sushruta Samhitta Written by Sushruta 600BCE
  • -Ashtanga Hrydayam Written by Vagbhatta 500AD

The Lesser Traid - Laghu Trayi

  • -Madhava Nidana Written by Madhava 1500AD
  • -Shararanghadara Samhitta Written by Sharangadha 1400-1500AD
  • -Bhavaprakasha Written by Bhavamishra 1400 AD