Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-names=yes&f1-names=Horta%2C+Victor&f2-topics=Events+%26+Movements%3A%3AWars&f3-topics=Events+%26+Movements%3A%3AWars&f5-topics=Events+%26+Movements%3A%3AWorld+War+I