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1860 United States census - Wikipedia
1860 Census Records | National Archives
United States Census, 1860 - FamilySearch
Glossary of Old Medical Terms - Thornber
1860 Census: Population of the United States
1860 United States Federal Census - Ancestry.com
Colour Me Blue: The History and the Biotechnological Potential of ...
1870 United States census - Wikipedia
Population of the US in 1860, by race and gender | Statista
US, Census - Federal, 1860 - Fold3
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