(nd). BBC News. Retrieved February 25, 2014 from http://www.bbc.co.uk/history/historic_figures/augustus.shtml Grant, M. (nd). Augustus (Roman emperor). Encyclopedia Britannica Online. Retrieved February 26, 2014 from http://www.britannica.com/EBchecked/topic/43047/AugustusHeritage History | Homeschool History Curriculum | by. (nd). Heritage History | Homeschool History Curriculum | by. Retrieved February 26, 2014 from http://www.heritage-history.com/?c=read&author=guerber&book=romans&story=triumvirate Kagan, N. (2006). National Geographic's Concise History of the World: An Illustrated Timeline. Washington, DC: National Geographic Society. Nagle, D.B. (2010). The ancient world: a social and cultural history (7th ed.). New York: Prentice Hall. The Achievements of Augustus Caesar. (nd). The Achievements of Augustus Caesar. Retrieved February 28, 2014, from http://janusquirinus.org/essays/Augustus1.htmlThe Roman Empire in the First Century. (nd). PBS. Retrieved February 27, 2014 from