Lüders, Heinrich (1902) Amaravati inscription of Krishnaraya of Vijayanagara; Saka-Samvat 1437. In: Epigraphia Indica Vol. 7, (1902), pp. 17-22
Lüders, Heinrich (1902) Two further inscriptions of Tammusiddhi. In: Epigraphia Indica Vol. 7, (1902), pp. 148-155