Categories of Ashoka's Inscriptions

1. Bhabru- Conversion to Buddhism
2. Barbar Hills- Enjoins tolerance
3. Tarai Pillars- Respect to Buddhism
4. 14 Rock Edicts- Administration and ethics.
5. Minor Rock Edicts-Personal history of Ashoka and summary of Dhamma
6. 7 Pillar Rock Edicts-Appendix to Rock Edicts