Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-topics=yes&f1-topics=Natural+%26+Built+Environments%3A%3ARailways&f2-topics=Daily+Life+%26+Identity%3A%3AAnimals&f3-topics=Daily+Life+%26+Identity%3A%3APopulation+Change+%26+Movement&f4-topics=Events+%26+Movements%3A%3ARiots&f5-topics=Natural+%26+Built+Environments%3A%3ARailways