Explore Chicago Collections
https://explore.chicagocollections.org/records/?f2-topics=Government+%26+Leadership%3A%3AMilitary&f1-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-cities=Chicago&sort=title&f3-topics=Events+%26+Movements%3A%3AWars&f5-types=Digital%20Images&f6-institutions=Chicago%20History%20Museum