A motion map depicting the members of the League of Nations throughout its history, animierte Karte, 2009, Ersteller: Maps & Lucy; Bildquelle: Wikimedia Commons, http://commons.wikimedia.org/wiki/File:LN_member_states_animation.gif, Creative Commons Attribution-Share Alike 3.0 Unported license, https://creativecommons.org/licenses/by-sa/3.0/de/.