Thomas Olden, Dictionary of National Biography… (1888)
“ It relates to ‘the qualifications of the truly learned poet,’ and consists of thirty-two lines beginning ‘No one is entitled to visitation or sale of his poems.’ There are also three other poems of his preserved in the ‘Book of Leinster.’ These have been published with a translation by O'Curry in his ‘Manuscript Materials of Irish History.’ They relate to the wars and triumphs of Enna Cennselach and his son Crimthann, both kings of Leinster. ”
