1920 United States Federal Census
- Fourteenth Census of the United States, 1920. (NARA microfilm publication T625, 2076 rolls). Records of the Bureau of the Census, Record Group 29. National Archives, Washington, D.C. For details on the contents of the film numbers, visit the following NARA web page: NARA. Note: Enumeration Districts 819-839 are on roll 323 (Chicago City).