Articles discussing Ratnadeva II
Side‑light on the history of the Kalacuris of Tummāna
Sunil Kumar Chaudhuri · The Indian Historical Quarterly, 1957
A note on the Hanuman type Copper Coins of Prthvideva and Jajalladeva of Mahākosala
L. P. Pandeya Sharma · The Indian Historical Quarterly, 1942
The Ramayana of Valmiki Mentions Two Kosalas
L. P. Pandeya Sharma · The Indian Historical Quarterly, 1927