SOURCES – 10 historical figures who took secrets to the grave

The following sources were consulted in the preparation of the article “10 historical figures who took secrets to the grave.”

  1. Death of the Man in the Iron Mask
  2. Fermat’s Last Theorem
  3. The Mystery of Edwin Drood
  4. Lee Harvey Oswald: Background and Possible Motives
  5. H.H. Holmes: The Victims of Chicago’s First Serial Murderer
  6. False Dmitry I
  7. 400 years later, accounts of Hungarian ‘Blood Countess’ remain shrouded in mystery and controversy
  8. Reading Into the Throne: On James Hampton’s Notebook
  9. What Killed Albert Einstein?
  10. Charles II and the Discovery of the ‘Princes in the Tower’ in 1674