He is known only from a single mention in a tablet found in Tell Brak "Artassumara the king, son of Shuttarna the king" and a mention in Amarna letter 17. According to the later, after the death of Shuttarna II he briefly took power but was then murdered (by someone named Tuhi) and succeeded by his brother Tushratta
- ar-ta-aš-šu-ma-ra in "CDLI-Archival View". cdli.ucla.edu.
- Finkel, Irving L. “Inscriptions from Tell Brak 1984.” Iraq, vol. 47, 1985, pp. 187–201
- Moran, William L. (1992). The Amarna Letters. Baltimore: Johns Hopkins University Press. ISBN 0-8018-4251-4.
- Artzi, P., "The Diplomatic Service in Action: The Mitanni File”, in: R. Cohen and R. Westbrook (eds.): Amarna Diplomacy: The Beginnings of International Relations, Baltimore, London: 205–211, 2000