| F.W. Beers & Co, and L.E Neuman. Topographical map of Sanilac Co., Michigan: from actual surveys and records. New York: F. W. Beers, 1876. Map. Retrieved from the Library of Congress, https://www.loc.gov/item/2012593160. |
| Historic Map Works, Historic Map Works, LLC. Residential Genealogy, www.historicmapworks.com. Accessed 2 May 2018. |
| http://quod.lib.umich.edu/m/micounty/BAD1048.0001.001?view=toc |
| http://quod.lib.umich.edu/m/micounty/bad1048.0001.001/493?rgn=full+text;view=image;q1=omard |
| https://books.google.com/books/about/Michigan_Place_Names.html?id=Y-FPXEGRo-YC |
| Isles, Benjamin. (1940s). The History of Flynn Township. Unknown. |
| Portrait and Biographical Album of Sanilac County; also Containing a Complete History of the County. Chapman Bros. 1884. |
| Romig, Walter. Michigan Place Names: The History of the Founding and the Naming of More Than Five Thousand Past and Present Michigan Communities (Great Lakes Books Series). Wayne State University Press, 1986. |
| Stanford Guidelines for Web Credibility |
| Wallace, Janet. "Omard." 89. Sanilac County Ghost Towns & Historical Photos. Carsonville, MI: Wallace Publishing, 2004. 177-78. Print. |