Volkszählung der Vereinigten Staaten 1940

"United States, Census, 1940." Database with images. FamilySearch. https://FamilySearch.org : 23 August 2025. Citing Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012.