Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-types=Archival+Collections&f2-topics=Events+%26+Movements%3A%3AWars&f3-topics=Government+%26+Leadership%3A%3APolitics&f4-topics=Events+%26+Movements%3A%3AWars&f5-types=Archival+Collections&f6-topics=Events+%26+Movements%3A%3AWorld+War+I&f7-topics=Government+%26+Leadership%3A%3APolitics&f8-topics=Events+%26+Movements%3A%3AWorld+War+I