Maps of Ancient Egypt, Harappa and Babylonia at their greatest extent

"Indus Valley Civilization." Wikipedia, the Free Encyclopedia. Web. 04 Feb. 2012. <http://en.wikipedia.org/wiki/Indus_Valley_Civilization>. 

"Ancient Egypt Map | Maps Of Ancient Egypt." Ancient Egypt - Gods, Pyramids, Mummies, Pharaohs, Queens, Hieroglyphics, History, Life in Ancient Egypt, Maps. Web. 04 Feb. 2012. <http://www.ancient-egypt-online.com/ancient-egypt-map.html>.