Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-names=yes&f1-names=Heineck%2C%20Aime-Paul&f2-topics=Events%20%26%20Movements::Wars&f3-topics=Government%20%26%20Leadership::Politics&f4-topics=Events%20%26%20Movements::World%20War%20I