- Immigrant House History, 31 July 31, 2006, Immigrant House, 31 July 2006.
- Northwest Architectural Archives, 31 July 2006, University of Minnesota, 31 July 2006.
- Hancock Evening Journal, 20 December 1901.
- Northwest Architectural Archives, 31 July 2006, University of Minnesota, 31 July 2006.
- Emma E. O’Conner, 18 January 2001, Booth Bay Register, 31 July 2006.
- Immigrant House History, 31 July 31, 2006, Immigrant House, 31 July 2006.
- Copper Country Evening News, 30 August 1900.
- Sanborn map, 1908.
- Copper Country Evening News, 30 August 1900.
- Sanborn map, 1917.
- “Blum Building,” Hancock Evening Journal, 19 November 1901.
- “Plans Prepared for Many Buildings to be Erected,” Calumet News, March 17, 1909.
- “Nelson-Schroeder Block”, Hancock Evening Journal, 14 November 1901.
- “Catholic Church,” Hancock Evening Journal, 18 November 1901.
- “Catholic Church,” Hancock Evening Journal, 18 November 1901.
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