Caleb Tracy, Pem Higgins and two other people with two dogs in front of Reifsnyder house; Sound School House in background. As of 11/16/2016 no photographic print found.
Unknown, “Caleb Tracy and Pem Higgins,” Mount Desert Island Historical Society, accessed February 24, 2025, https://mdihs.digitalarchive.us/items/show/10082.Item 10448
