Keywords: 1939-1940-battle of france-plan-evolution.png Evolución del Plan Amarillo alemán Evolution of the Plan Gelb http //web archive org/web/20030710041330/http //www dean usma edu/history/web03/atlases/ww2 20europe/ww2 20europe 20pages/ww2 20europe 20map 2009 htm Author public domain Image 1939-1940-battle of france-plan-evolution jpg PD-USGov Maps of Fall Gelb |