<ref name="Fed1920">"[[United States Census, 1920]]," index and images, FamilySearch ([https://familysearch.org/pal:/MM9.1.1/MX22-PB7 familysearch.org/pal:/MM9.1.1/MX22-PB7] : accessed 12 Apr 2013), household of George Barth, 1920.</ref> | <ref name="Fed1920">"[[United States Census, 1920]]," index and images, FamilySearch ([https://familysearch.org/pal:/MM9.1.1/MX22-PB7 familysearch.org/pal:/MM9.1.1/MX22-PB7] : accessed 12 Apr 2013), household of George Barth, 1920.</ref> |