Republic, American Philological Association (1952–1986). Michael Crawford, Roman Republican Coinage, Cambridge University Press (1974, 2001). Ronald Syme, Roman Papers, edited by Ernst Badian and Anthony R. Birley, 7 volumes, Oxford, 1979–1991. Michel Humm, Appius Claudius Caecus, La République accomplie, Ecole Française de Rome, 2005. Roman gentes