A few links to maps that relate to Henry and his travels.
Map of Germany. – This is a map of all of Germany, including the numerous cities in which Henry traveled.
Map of Poland in 1939. This map depicts the movement of Nazi Germany into Poland, especially the western section where Henry lived as a child.
Map of Prussia in 1939. This map depicts the German occupation of Prussia and the city of Königsberg, where Henry trained for his assignment on a u-boat.