«Sp. Thorius (2)». Digital Prosopography of the Roman Republic. [Consulta: 15 novembre 2022].
umich.edu
quod.lib.umich.edu
Smith, William (ed.). «29. App. Claudius Pulcher». A: Dictionary of Greek and Roman Biography and Mythology. Vol. I. Londres: Walton and Maberly, 1841, p. 769.