Many of the stories in this book came out of personal interviews with witnesses and investigators. Other information was gleaned from the following sources:
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Goings, Aaron, and Gary Kaunonen. "Strike! New Perspectives 100 Years Later." Michigan History, 97(3).
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Kleen, Michael. "Top 10 Most Haunted Theaters in the Midwest." Mysterious Heartland, 12 May 2014. http://mysteriousheartland.com/2014/05/12/top-10-most-haunted-theaters-in-the-midwest/
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Nordberg, Jane. "This Isn't a Klondike Town Anymore." Michigan History Magazine, 84.3 (2000): 10+.
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Stancher, Craig. "100 Years Young: Calumet Colosseum." USA Hockey Magazine, March 2013. http://www.usahockeymagazine.com/article/2013-03/100-years-young-calumet-colosseum
Stonehouse, Frederick. Haunted Lakes II: More Great Lakes Ghost Stories. Duluth, Minn.: Lake Superior Port Cities Inc., 2000.
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"White City." Keweenaw Convention & Visitors Burea. Accessed 4 April 2014. http://www.keweenaw.info/attractions/ghosttowns/285.html
Whitesall, Amy. "Where Hockey Got Its Start." Michigan History Magazine, 94(3): 37-42.