Citations

http://www.mariamilani.com/ancient_rome/ancient_roman_technology.htm
http://www.history.com/topics/ancient-rome
http://www.bbc.co.uk/history/ancient/romans/
http://www.unrv.com/government.php
http://www.roman-empire.net/society/society.html
http://www.mariamilani.com/ancient_rome/ancient_roman_technology.htm

http://www.visual-arts-cork.com/roman-art.htm