羅馬共和國元老院Rubicon: The Last Years of the Roman Republic. Random House Books. 2005. ISBN 1-4000-7897-0. Lintott, Andrew. The Constitution of the Roman Republic
雷加圖斯legate)的辭義來源並存續至今。 羅馬軍團 羅馬帝國政府 "The Roman Army (页面存档备份,存于互联网档案馆)" Accessed April 16, 2007 The Legions of Rome, Stephen Dando-Collins, pp47, Quercus
罗马宪政年累月的推进达成的。这四部宪法,代表了罗马宪法演进的四个时期。 Byrd, 161 Byrd, Robert (1995). The Senate of the Roman Republic. U.S. Government Printing Office, Senate Document 103-23
十二铜表法(原始内容存档于2021-01-06). Jolowicz, H. F. Historical Introduction to the Study of Roman Law (Cambridge, 1952), 108 Crawford, M. H. 'Twelve Tables' in Simon
元首制 Flaig, Egon. 2011. “The Transition from Republic to Principate: Loss of Legitimacy, Revolution, and Acceptance.” In The Roman Empire in Context: Historical