The primary data source for the diary sections are letters kept and assembled by Donna Fillie over a period of decades.
Additional sources include interviews with the following people:
• Paul F. Eno
• Benjamin Eno
• Bob Fillie
• Michelle L. Carpenter
• Diane Randall
• Marc Dantonio
• Shane Sirois
• Greg Harold
• Phantom roadblock male witness (wished to remain anonymous)
• Phantom roadblock female witness (wished to remain anonymous)
• Neighbors (wished to remain anonymous)
Eno, Paul F. Faces at the Window. Moorhead, Minn.: New River Press, 1998.
———. Footsteps in the Attic: More First-Hand Accounts of the Paranormal in New England. Moorhead, Minn.: New River Press, 2002.
———. Turning Home: God, Ghosts and Human Destiny. Moorhead, Minn.: New River Press, 2006.
Harold, Gregory. The Alien Connection. Indianapolis, Ind.: Dog Ear Publishing, LLC, 2009.
———. Harold’s Mystery (Video). Indianapolis, Ind.: Dog Ear Publishing, LLC, 2012.
Houdini, Harry. A Magician Among the Spirits. New York: Harper and Brothers, 1924.
Kim, Meeri. “MIT Scientists Implant a False Memory Into a Mouse’s Brain.” The Washington Post, July 25, 2013.
Noonan, David. “Meet the Two Scientists Who Implanted a False Memory Into a Mouse.” Smithsonian Magazine, November 2014. Sirois, Shane. Trueghost.com.