United States. Bureau of the Census. "Population" in Statistical Atlas of the United States, 1880 (). https://fraser.stlouisfed.org/title/5586/item/574227, accessed on April 18, 2024.
United States. Bureau of the Census. "Population" in Statistical Atlas of the United States, 1880 (). https://fraser.stlouisfed.org/title/5586/item/574227, accessed on April 18, 2024.