Jabarkan Orosius, Historiae adversum Paganos dari Herakleia Lukania

Pliny the Elder; The Natural History (eds. John Bostock, M.D., F.R.S. H.T. Riley, Esq., B.A.) London. Taylor and Francis, Red Lion Court, Fleet Street. (1855). Online version at the Perseus Digital Library.

Plutarch; Plutarch's Lives: Volume I, Arthur Hugh Clough (editor), John Dryden (translator). Modern Library; Modern Library Paperback Ed edition (April 10, 2001). . Downloadable version at Project Gutenberg.

Smith, William; Dictionary of Greek and Roman Biography and Mythology: "Heracleia", London (1867)

Strabo, Geography, translated by Horace Leonard Jones; Cambridge, Massachusetts: Harvard University Press; London: William Heinemann, Ltd. (1924). Vol. 3, Books 6–7 .

Zonaras, Joannes. Extracts of History.