N.K. Bhattasali, Two Inscriptions of Gopāla of Bengal, Indian Historical Quarterly, vol. 17, no. 2 (June 1941), pp. 207-222.
Gopāla I, father of Dharmapāla. Said to have founded Odantapurī (or Uddaṇḍapura). Dasgupta, ORC, p. 11
Davidson, KCN, p. 74. The dynasty's founder, he is said to have been elected by a community of his peers when the country was under the 'rule of fishes' (matsyanyāya).
Reigned 775-785. Banerji-Sastri, Kurkihar, p. 301.