Ozaukee County, Wisconsin (English Wikipedia)

Beer, James R. (2003). "Ozaukee County Birdstone Stays Home in Wisconsin". Central States Archaeological Journal. 50 (1): 39–42. JSTOR 43143792. Retrieved June 27, 2021.
Gerwing, Anselm J. (Summer 1964). "The Chicago Indian Treaty of 1833". Journal of the Illinois State Historical Society. 57 (2): 117–142. ISSN 0019-2287. JSTOR 40190019.

localeben.com

"Hilgen Spring Mound Site Revisited: Lecture". Localeben. May 26, 2016. Retrieved January 18, 2020.

"Wisconsin Supreme Court Election Results". The New York Times. April 4, 2023. ISSN 0362-4331. Retrieved August 23, 2023.

"History of Ozaukee County". Ozaukee County. Retrieved January 11, 2020.
"Overview of Ozaukee County | Ozaukee County, WI - Official Website". www.co.ozaukee.wi.us. Retrieved September 19, 2018.

"Searching for the 'Spirit of the Place'". Shepherd Express. May 17, 2016. Retrieved January 18, 2020.

"St. John XXIII Catholic Parish: History of our Parish". St. John XXIII Catholic Parish. Retrieved May 4, 2020.

Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 11, 2020.

"Encyclopedia of Milwaukee: Ozaukee County". University of Wisconsin-Milwaukee. Retrieved January 11, 2020.
"Encyclopedia of Milwaukee: Village of Grafton". University of Wisconsin-Milwaukee. Retrieved January 2, 2020.

"Historical Census Browser". University of Virginia Library. Retrieved August 6, 2015.

"State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved January 22, 2014.

"Ecological Landscapes of Wisconsin: Central Lake Michigan Coastal Ecological Landscape" (PDF). Wisconsin Department of Natural Resources. Archived (PDF) from the original on October 9, 2022. Retrieved February 13, 2020.

Lapham, Increase A. (1855). "Chapter 1: Ancient Works in the Vicinity of Lake Michigan". The Antiquities of Wisconsin, as Surveyed and Described by I. A. Lapham, Civil Engineer, etc., on Behalf of the American Antiquarian Society. Washington, D.C.: Smithsonian Institution.
"Early history of Ozaukee County, Wisconsin". University of Wisconsin-Madison Libraries. Retrieved January 11, 2020.
"Early history of Ozaukee County, Wisconsin". University of Wisconsin-Madison Libraries. Retrieved January 1, 2020.

"Ozaukee County". Wisconsin Historical Society. June 2017. Retrieved April 10, 2018.
"Birdstones". wisconsinhistory.org. Wisconsin Historical Society. January 24, 2019. Retrieved June 27, 2021. Birdstones are pre-contact abstract stone carvings that seem to our 21st Century eyes to represent birds. The majority appear to have been made between 5000 and 2500 years ago.
"Civil War: Draft Riots (1862)". Wisconsin Historical Society. August 3, 2012. Retrieved January 4, 2020.
"Map of the Milwaukee, Lake Shore & Western Railway | Map or Atlas". Wisconsin Historical Society. December 1, 2003. Retrieved May 6, 2021.

Gerwing, Anselm J. (Summer 1964). "The Chicago Indian Treaty of 1833". Journal of the Illinois State Historical Society. 57 (2): 117–142. ISSN 0019-2287. JSTOR 40190019.
"Wisconsin Supreme Court Election Results". The New York Times. April 4, 2023. ISSN 0362-4331. Retrieved August 23, 2023.