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According to the Nidhanpur inscription, Ganapativarman was generous in his gifts while Narayanavarman was, like king Janaka, deeply versed in the knowledge of the self.
Nagendranath Vasu (1922), The Social History of Kamarupa, P.142
Further reading
Vasu, Nagendranath, The Social History of Kamarupa
Tripathi, Chandra Dhar, Kāmarūpa-Kaliṅga-Mithilā:a politico-cultural alignment in Eastern India : history, art, traditions, Indian Institute of Advanced Study
Wilt, Verne David, Kamarupa
Majumdar, Ramesh Chandra, Ancient India
Kapoor, Subodh, Encyclopaedia of ancient Indian geography
Sen, Sailendra Nath, Ancient Indian History and Civilization
Kapoor, Subodh, The Indian encyclopaedia: biographical, historical, religious,administrative, ethnological, commercial and scientific
Sarkar, Ichhimuddin, Aspects of historical geography of Prāgjyotiṣa-Kāmarūpa (ancient Assam)
Deka, Phani, The great Indian corridor in the east
Pathak, Guptajit, Assam's history and its graphics
Samiti, Kāmarūpa Anusandhāna, Readings in the history & culture of Assam