Plan of the environs of the Eildon Hills on the South bank of the Tweed at the bottom of which it is supposed the Trinontium of the Romans was situated /
Basire, James,1769-1835.
Roy, William,1726-1790.Military antiquities of the Romans in Britain
London : Society of Antiquaries of London,
1793.
In: The Military Antiquities of the Romans in Britain by W. Roy. pl.XXI.