The following sources were consulted in the preparation of the article “These 12 historical figures vanished, and their remains were never recovered.”
- Records Relating to Amelia Earhart
- Hoffa legend endures 50 years after ex-Detroit union leader’s disappearance
- Remembering Major Alton “Glenn” Miller (1904-1944)
- Harold Holt’s disappearance
- 10 Facts About Percy Fawcett and the Lost City of Z
- John Cabot
- What Happened to Michael Rockefeller? Inside His Strange 1961 Disappearance and Rumored Cause of Death
- Raoul Wallenberg
- RG 263 Detailed Report, Heinrich Mueller
- The Little Prince’s Last Flight: The Story of Antoine de Saint-Exupéry
- Appian on Spartacus
