Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-names=yes&f1-names=Cook%20County%20French%20Section&f2-topics=Events%20%26%20Movements::World%20War%20I&f3-types=Archival%20Collections&f4-types=Archival%20Collections&f5-topics=Events%20%26%20Movements::World%20War%20I