Description of Greece
Pausanias
Pausanias. Pausanias Description of Greece, Volumes 1-4. Jones, W.H.S. (William Henry Samuel), translator; Ormerod, Henry Arderne, translator. London, New York: W. Heinemann, G.P. Putnam's Sons, 1918-1935.
Next they set fire to the wood. At this point I have seen some of the beasts, including a bear, forcing their way outside at the first rush of the flames, some of them actually escaping by their strength. But those who threw them in drag them back again to the pyre. It is not remembered that anybody has ever been wounded by the beasts.