Katulph was a Hephthalite aristocrat, who served as the advisor of the Sasanian king ( shah) Khosrow I ( r. 531–579).
- Felföldi, Szabolcs (2001). "A prominent Hephthalite: Katulph and the fall of the Hephthalite Empire". Acta Orientalia Academiae Scientiarum Hungaricae. 54 (2/3): 191–202. doi: 10.1556/AOrient.54.2001.2-3.2. JSTOR 23658279. ( registration required)
Katulph was a Hephthalite aristocrat, who served as the advisor of the Sasanian king ( shah) Khosrow I ( r. 531–579).
- Felföldi, Szabolcs (2001). "A prominent Hephthalite: Katulph and the fall of the Hephthalite Empire". Acta Orientalia Academiae Scientiarum Hungaricae. 54 (2/3): 191–202. doi: 10.1556/AOrient.54.2001.2-3.2. JSTOR 23658279. ( registration required)