Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-names=Baldensperger%2C+Fernand%2C+Capitaine&browse-names=yes&f3-topics=Events+%26+Movements%3A%3AWorld+War+I&f4-topics=Daily+Life+%26+Identity%3A%3ACultures+%26+Communities&f2-neighborhoods=Loop