Abbott, Frank Frost (1901). A History and Description of Roman Political Institutions. Elibron Classics. ISBN0-543-92749-0.
Bowersock, G. W. (1990). "The Pontificate of Augustus". Dalam Raaflaub, Kurt A.; Toher, Mark (ed.). Between Republic and Empire: Interpretations of Augustus and his Principate. Berkeley: University of California Press. hlm.380–394. ISBN978-0-520-08447-6.
Eder, Walter (2005), "Augustus and the Power of Tradition", dalam Galinsky, Karl (ed.), The Cambridge Companion to the Age of Augustus, Cambridge Companions to the Ancient World, vol.13, Cambridge, MA; New York: Cambridge University Press, ISBN978-0-521-80796-8
Gruen, Erich S. (2005). "Augustus and the Making of the Principate". Dalam Galinsky, Karl (ed.). Cambridge Companion to the Age of Augustus. Cambridge Companions to the Ancient World. Vol.33. Cambridge, MA; New York: Cambridge University Press. ISBN9780521807968.