https://history.state.gov/milestones/1914-1920/paris-peace
http://www.history.com/this-day-in-history/post-world-war-i-peace-conference-begins-in-paris
http://www.britannica.com/event/Paris-Peace-Conference
http://www.theholocaustexplained.org/ks3/the-nazi-rise-to-power/the-weimar-republic/the-treaty-of-versailles/#.Vv0QtOIrLIU