Noted in Article in Vilas County News, July 2, 1924 (and referenced in "60 Years Ago" June 20, 1984).
A note in the Vilas County News, July 2, 1924 (and cited in Backward Glances, June 20, 1984, under the title "Tri-County Volumes Dealing in Early and Present Life") states that the research done for Eagle River was by L. W. Belden and Mr. Powers, who would be delivering the volumnes to Eagle River. Belden had so written to the News, from St. Paul..
- Minocqua Public Library
- Plum Lake Library, Sayner
- UW Madison/Wis Hist Soc