- The credit from Popular Science Monthly/Volume 14/January 1879/The Devil-Fish and its Relatives states 'From "Ocean Wonders." in the press of D. Appleton & Co.'
- The Internet Archive has a copy of this credited to "Damon, William Emerson, 1838-". Related searches find similar matches.
- Find-a-Grave has a matching grave with that dates 1838-11-15 to 1911-12-01.
- The Hartland Historical Society has a brief biography (a reprinted speech related to the dedication of Damon Hall in Hartland, Vermont).