"Caretos de Podence". www.caretosdepodence.pt (in European Portuguese). Retrieved 2017-04-11.
gutenberg.org
"Others have figures of vast size, the limbs of which formed of osiers they fill with living men, which being set on fire, the men perish enveloped in the flames." Caesar, Julius (1915). Caesar's Commentaries (De Bello Gallico, 6.16). Translated by Macdevitt, W. A. Retrieved 6 July 2020.