The 7th century inscription of king Parkashdharm of campa speaks of the setting up of a temple for Valmeki and in this connection describes Valmeki as the first poet from whose soke the sloka.
This article read in the All India Seminar on the Teachings and Philosophy of Maharishi Valmeki Organised by Government of Punjab Art Gallery,Chandigarh 11 Aug-12 Aug 1995. The Source Of Indian Civilization The First Poet Of Bhagwan Valmiki Dr. Dev Singh Assur "Advaiti"