Koenraad Verboven, "The Associative Order: Status and Ethos among Roman Businessmen in Late Republic and Early Empire," Athenaeum 95 (2007). Fuente citdada en en:Social class in ancient Rome
Temin, Peter (2006). "The economy of the early Roman Empire". Journal of Economic Perspectives. 1 20: 133–151. Fuente citada en en:Status in Roman legal system
C.W.J.Eliot, New Evidence for the Speed of the Roman Imperial Post. Phoenix 9, 2, 1955, fuente citada en en:Cursus publicus
