Ludington, Michigan (English Wikipedia)

"2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved November 25, 2012.
"Census 2000 Summary File 1". United Census Bureau. Archived from the original on February 13, 2020. Retrieved April 4, 2017.

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"2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved November 25, 2012.
"Census 2000 Summary File 1". United Census Bureau. Archived from the original on February 13, 2020. Retrieved April 4, 2017.

"2022 U.S. Gazetteer Files: Michigan". United States Census Bureau. Retrieved August 24, 2023.

"Aaron Burr Caswell genealogical family history". Archived from the original on March 19, 2008. Retrieved July 28, 2008.
"Burr Caswell biography with family history". Archived from the original on October 17, 2009. Retrieved July 28, 2008.

"1921 professional baseball team named to sports hall of fame". Mason County Press. November 28, 2020. Retrieved April 30, 2024.

"US BR-20 Route West Half Farwell to Ludington" (PDF). Michigan Department of Transportation. p. 27. Archived (PDF) from the original on January 3, 2014. Retrieved April 4, 2017.

Bessert, Christopher J. "Michigan Highways: Route Listings: US-10". Michigan Highways. Retrieved April 4, 2017.^{[self-published source]}
Bessert, Christopher J. "Michigan Highways: Lake Michigan Circle Tour". Michigan Highways. Retrieved April 4, 2017.^{[self-published source]}
Bessert, Christopher J. "Michigan Highways: Route Listings: US-31". Michigan Highways. Retrieved April 4, 2017.^{[self-published source]}
Bessert, Christopher J. "Michigan Highways: Business Connections 2 through 31". Michigan Highways. Retrieved April 4, 2017.^{[self-published source]}
Bessert, Christopher J. "Michigan Highways: Highways 100 through 119". www.michiganhighways.org. Retrieved April 4, 2017.^{[self-published source]}

"Focus on our history: How county was named". Ludington Daily News. October 3, 1987. p. 2. Retrieved April 30, 2015.
Hanna, Frances Caswell (October 10, 1953). "But little is known about man for whom Ludington was named". Ludington Daily News. p. 3. Retrieved November 2, 2015.

"Marquette, Jacques 1637 - 1675". November 3, 2013. Archived from the original on November 3, 2013. Retrieved March 3, 2022.
"US BR-20 Route West Half Farwell to Ludington" (PDF). Michigan Department of Transportation. p. 27. Archived (PDF) from the original on January 3, 2014. Retrieved April 4, 2017.
"Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Archived from the original on October 19, 2013. Retrieved February 25, 2014.
"Aaron Burr Caswell genealogical family history". Archived from the original on March 19, 2008. Retrieved July 28, 2008.
"Burr Caswell biography with family history". Archived from the original on October 17, 2009. Retrieved July 28, 2008.

"Marquette, Jacques 1637 - 1675". November 3, 2013. Archived from the original on November 3, 2013. Retrieved March 3, 2022.