Phelps County, Missouri (English Wikipedia)

"Mean Center of Population for the United States: 1790 to 2010" (PDF). US Census Bureau. Archived (PDF) from the original on May 21, 2013. Retrieved March 28, 2014.
"2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on October 21, 2013. Retrieved November 18, 2014.
"US Decennial Census". US Census Bureau. Retrieved November 18, 2014.
"Population of Counties by Decennial Census: 1900 to 1990". US Census Bureau. Retrieved November 18, 2014.
"Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). US Census Bureau. Archived (PDF) from the original on March 27, 2010. Retrieved November 18, 2014.
"US Census website". US Census Bureau. Retrieved January 31, 2008.

"State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved September 12, 2013.

issuu.com

Breeding, Marshall. "James Memorial Library". Libraries.org. Retrieved May 8, 2017.
Breeding, Marshall. "Newburg Public Library". Libraries.org. Retrieved May 8, 2017.
Breeding, Marshall. "Rolla Public Library". Libraries.org. Retrieved May 8, 2017.

"History". Phelps County. Retrieved April 10, 2024.
"History". Phelps County. Retrieved April 12, 2024.
"2020 Phelps County Election Results" (PDF). Phelps County Clerk. Archived (PDF) from the original on January 25, 2021.
"2018 Phelps County Election Results" (PDF). Phelps County Clerk.

Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved March 26, 2018.

"Historical Census Browser". University of Virginia Library. Retrieved November 18, 2014.

"Mean Center of Population for the United States: 1790 to 2010" (PDF). US Census Bureau. Archived (PDF) from the original on May 21, 2013. Retrieved March 28, 2014.
"2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on October 21, 2013. Retrieved November 18, 2014.
"Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). US Census Bureau. Archived (PDF) from the original on March 27, 2010. Retrieved November 18, 2014.
"State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved September 12, 2013.
"2020 Phelps County Election Results" (PDF). Phelps County Clerk. Archived (PDF) from the original on January 25, 2021.