“About.” Glensheen. [n.d.] https://glensheen.org/about/
“About Duluth.” Downtown Duluth. [n.d.] https://www.downtownduluth.com/about-duluth/
Backerud, Thomas K. “Congdon, Chester A. (1853–1916).” MNopedia. December 11, 2024. https://www.mnopedia.org/person/congdon-chester-1853-1916
Baillod, Brendon. “Revisiting the Bannockburn: Lake Superior's Flying Dutchman.” Shipwreck World. February 19, 2020. https://www.shipwreckworld.com/articles/revisiting-the-bannockburn-lake-superiors-flying-dutchman
“Bert J. Enger: Buliding [sic] parks for the public.” Duluth News Tribune. October 14, 2011. https://www.duluthnewstribune.com/community/bert-j-enger-buliding-parks-for-the-public
Carl, Jessica. “The Haunted Ship & Real Ghosts Aboard The William A. Irvin.” Canal Park. [n.d.] https://canalpark.com/haunted-ship-duluth-haunted-places/
Carpenter, Jess. “SS Bannockburn.” Great Lakes Boating. February 2019. https://www.greatlakesboating.com/2018/04/ss-bannockburn
Carr, Julie. “Glensheen Mansion and the Congdon Estate.” HauntedHouses.com. [n.d.] https://hauntedhouses.com/minnesota/glensheen-mansion/
“Chester Congdon Dies Suddenly.” The Times-Enterprise [Albert Lea, MN]. November 22, 1916. https://www.newspapers.com/image/1025168341/
Cooper, Nick. “The Most Haunted Places In The Twin Ports Area.” KOOL 107.1. October 17, 2024. https://kool1017.com/5-most-haunted-places-in-duluth-superior-are-you-scared/
Diehl, Daniel, and Mark P. Donnelly. Haunted Houses: Guide to Spooky, Creepy, and Strange Places Across the USA (Stackpole Books, 2010).
“Duluth.” Britannica. December 25, 2024. https://www.britannica.com/place/Duluth
“Duluth History & Area Info.” Duluth Area Chamber of Commerce. [n.d.] https://duluthchamber.com/resources/history-and-area-info/
“Duluth, Minnesota Population 2024.” World Population Review. [n.d.] https://worldpopulationreview.com/us-cities/minnesota/duluth
Enebak, Emma. “The Most Haunted Places in Minnesota.” Minnesota Monthly. October 12, 2022. https://www.minnesotamonthly.com/lifestyle/the-most-haunted-places-in-minnesota/
“Engineer Suspended.” The Plain Dealer. May 26, 1964. https://www.newspapers.com/image/1062930517/
“Falls Seaman Killed, 2 Hurt Aboard Ship.” Duluth News-Tribune. April 13, 1964. https://www.newspapers.com/image/1129517572/
“The Flying Dutchman: The Legend of the Phantom Ship.” Nautical Channel. June 29, 2023. https://nauticalchannel.com/new/the-flying-dutchman
“The ‘Ghost Ship’ Bannockburn.” JaySea Archaeology. October 30, 2016. https://jayseaarchaeology.wordpress.com/2016/10/30/halloween-on-the-lakes-i/
Hollingsworth, Jana. “Duluth’s Haunted Ship returns, ready to scare.” StarTribune [Minneapolis, MN]. October 10, 2021. https://www.newspapers.com/image/772501821/
“Is It A Real Ghost?” The Duluth News Tribune. March 1, 1896. https://www.newspapers.com/image/1131304769/
James, Derek. “A tour of the William A. Irvin, a Duluth marvel.” CBS News. August 7, 2024. https://www.cbsnews.com/minnesota/news/william-a-irvin-ship-tours-duluth-lake-superior/
Koop, Michael. “National Register of Historic Places Registration Form: Freighter WILLIAM A. IRVIN.” United States Department of the Interior. February 8, 1989. https://npgallery.nps.gov/NRHP/GetAsset/NRHP/89000858_text
Kraker, Dan. “40 years later, Glensheen murders still grip Duluth.” MPR News. June 23, 2017. https://www.mprnews.org/story/2017/06/23/glensheen-mansion-murders-still-grip-duluth
Kraker, Dan. “Norway's royalty rededicates Enger Tower in Duluth.” MPR News. October 18, 2011. https://www.mprnews.org/story/2011/10/18/norway-royalty-dedicate-enger-tower
Lauritsen, John. “Inside the 93-year-old watchtower that’s attracted Norwegian royalty.” KRDO. December 14, 2014. https://krdo.com/cnn-regional/2024/12/14/inside-the-93-year-old-watchtower-thats-attracted-norwegian-royalty/
Lawler, Christa. “Duluth’s Haunted Ship plays on its lore in last gasps of tourist season—and Forbes likes it.” The Minnesota Star Tribune. October 28, 2024. https://www.startribune.com/duluths-haunted-ship-plays-on-its-lore-in-last-gasps-of-tourist-season-and-forbes-likes-it/601170705
Lawler, Christa. “Ghost of the past: A ‘young, attractive’ woman in sleepwear haunted the ruins of Duluth's Temple Opera House.” The Duluth News Tribune. April 27, 2021. https://www.duluthnewstribune.com/news/the-vault/ghost-of-the-past-a-young-attractive-woman-in-sleepwear-haunted-the-ruins-of-duluths-temple-opera-house
Lawler, Christa. “Was Duluth once home to more millionaires per capita than any other U.S. city?” StarTribune. October 28, 2022. https://www2.startribune.com/duluth-millionaires-history-mining-lumber-merritt-congdon/600219829/
“A Look Into Our History and Restoration.” NorShor Theatre. [n.d.] https://www.norshortheatre.com/history
Magill, Jack. “Prince Pays Great Tribute To Bert Enger.” Duluth News-Tribune. June 16, 1939. https://www.newspapers.com/image/1131506341/
“Most Haunted Places In Duluth, MN.” Haunted Rooms America. [n.d.] https://www.hauntedrooms.com/minnesota/duluth/haunted-places
“Miracle on Ice.” Wikipedia. Last edited may 25, 2025. https://en.wikipedia.org/wiki/Miracle_on_Ice.
Nehring, Craig. Archives of Ghost Hunter (Lulu, 2018).
Nelson, Nancy S., and Tony Dierckins. “Enger Park & Twin Ponds.” Zenith City Press. 2017. https://web.archive.org/web/20240224114010/https://zenithcity.com/archive/parks-landmarks/enger-park-twin-ponds/
Nelson, Paul. “Glensheen Historic Estate.” MNopedia. December 11, 2024. https://www.mnopedia.org/structure/glensheen-historic-estate
Prince, Pat. “Vintage ore carrier saved as tour boat.” Minneapolis Star and Tribune. June 18, 1986. https://www.newspapers.com/image/188670174/
Redmond, Ian. “Could Enger Tower In Duluth Be Haunted?” Mix 108. June 7, 2018. https://mix108.com/could-enger-tower-in-duluth-be-haunted/
Renalls, Candace. “Trail of clues, legal twists kept Glensheen murder case going for years.” The Duluth News Tribune. June 27, 2022. https://www.duluthnewstribune.com/news/trail-of-clues-legal-twists-kept-glensheen-murder-case-going-for-years-1
“Saw The Ruins.” The Duluth News Tribune. October 14, 1895. https://www.newspapers.com/image/1126754385/
“Sought The Ghost.” The Duluth News Tribune. March 5, 1896. https://www.newspapers.com/image/1131305029/
“SS Bannockburn.” Military Wiki. [n.d.] https://military-history.fandom.com/wiki/SS_Bannockburn
Stark, George W. “The Great Lakes Have Their Flying Dutchman.” The Kansas City Times. July 18, 1917. https://www.newspapers.com/image/654028961/
“Steel Firm Chief Dies.” Duluth Herald. January 2, 1952. https://www.newspapers.com/image/1127206375/
Sweigert, Alan W. “The Museum Ship William A. Irvin – Fall 1986.” National Museum of the Great Lakes. Fall 1986. https://nmgl.org/the-museum-ship-william-a-irvin-fall-1986/
“Temple In Ashes.” The Sunday News Tribune [Duluth, MN]. October 13, 1895. https://www.newspapers.com/image/1126754236/
“Temple Wall Falls.” The Duluth News Tribune. May 4, 1896. https://www.newspapers.com/image/1130224559/
“Tete a Tete.” The Duluth News Tribune. March 7, 1896. https://www.newspapers.com/image/1131305260/
“The Tale of the William A Irvin.” Duluth Entertainment Convention Center. [n.d.] https://decc.org/william-a-irvin/history/
“Twin Ports Ghostbusters LIVE From the S.S. William A. Irvin Haunted Ship NBC Story (2022).” Scaryspoofy1. October 6, 2022. https://www.youtube.com/watch?v=XUWSdgeeHw4
“Under Falling Walls.” Mitchell Daily Republican. January 30, 1889. https://www.newspapers.com/image/74747391/
Walk, Devin. “Ghost Ships of the Great Lakes.” Memories of the Prairie. April 9, 2019. https://memoriesoftheprairie.com/blog-1/2019/04/09/2019-4-9-ghost-ships-of-the-great-lakes/
Walter, Page. “William A. Irvin.” The Statesman. October 13, 2013. http://www.theumdstatesman.com/blog/2013/10/31/william-a-irvin-officially-confirmed-haunted
Wells, Lauren. “The History of Duluth’s Lookout Point, Enger Tower.” B105. August 24, 2022. https://b105country.com/history-of-duluths-enger-tower/
“The William A. Irvin.” Duluth Seaway Port Authority. 2004. https://duluthport.com/wp-content/uploads/2020/12/The_William_A__Irvin.pdf
Warfield, Baihly. “Is the William A. Irvin really a ‘Haunted Ship?’” WDIO. November 1, 2023. https://www.wdio.com/lift-online/is-the-william-a-irvin-really-a-haunted-ship/