Pictures
roman_empire_website . https://wealthcycles.com/features/roots-of-roman-empire-hyperinflation-parallel-modern-monetary-system .
Romanapartment . http://www.newworldeconomics.com/archives/2007/070907.html
Collect1 . http://jaysromanhistory.com/romeweb/rcoins/rcoins.htm
RomeatHeightMap . http://www.mitchellteachers.org/WorldHistory/EuropeafterRome/images/traders&invaders/RomeatHeightMap.jpg
1600 . http://www.dirtyoldcoins.com/shop/posters/Coin-Posters.html
city_model_of_ancient_rome . http://treebeard31.wordpress.com/2011/11/01/i-have-always-said-you-should-learn-something-new-every-day-unfortunately-many-of-us-are-at-that-age-where-what-we-learn-today-we-forget-tomorrow-but-give-it-a-shot-anyway/
Ancient_Rome_map . http://www.mariamilani.com/ancient_civilisation_civilization/ancient_rome_map.htm
Websites
http://www.rome.info/history/empire/fall/
http://empires.findthedata.org/q/38/2515/How-long-did-the-Roman-Empire-exist
http://empires.findthedata.org/q/38/2515/How-long-did-the-Roman-Empire-exist