- Withey, Biographical Dictionary, 547. George Russell Shaw Papers, Library of the Arnold Arboretum, Harvard University Archives.
- Withey, Biographical Dictionary, 308.
- Withey, Biographical Dictionary, 308.
- Lynn Bjorkman, "Draft Historic Structure Report: Calumet & Hecla General Office” Keweenaw National Historical Park.
- Bjorkman, "Draft Historic Structure Report."
- “Calumet and Hecla Industrial District,” National Register of Historic Places Nomination (U. S. Department of Interior, National Park Service, 1987).
- Bjorkman, "Draft Historic Structure Report."
- Bjorkman, "Draft Historic Structure Report."
- “Calumet and Hecla Industrial District."
- Eckert, Sandstone Architecture, 153.
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