Isaac H. Dupee (1826-1875), was a daguerreotypist and daguerreian supplier active in the towns of Augusta, Bath, Bangor, and Portland, Maine from 1855 to at least 1870.
“Dupee - Isaac H. Dupee (1826-1875),” Southwest Harbor Public Library, accessed May 31, 2023, https://swhpl.digitalarchive.us/items/show/8569.Item 3534
