- Richard Powers. The Gold Bug Variations. New York, NY: HarperCollins, 2021.
- Ana Gotter. "Capgras Syndrome." Healthline. Jul. 29, 2022. Aug. 11, 2023. <https://www.healthline.com/health/capgras-syndrome>.
- Colson Whitehead. "Migratory Spirits." The New York Times. Oct. 22, 2006. Aug. 11, 2023. <https://www.nytimes.com/2006/10/22/books/review/Whitehead.t.html>.
- "Biography." Richard Powers. Aug. 11, 2023. <https://www.richardpowers.net/biography/>.
- Julie Davis. "What Is Capgras Syndrome?." WebMD. Jan. 23, 2022. Aug. 11, 2023. <https://www.webmd.com/mental-health/impostor-syndrome-capgras>.