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Duel - Wikipedia
Duel | History, Rules & Etiquette | Britannica
Dueling Rules - How Duels Work | HowStuffWorks
The History of Dueling in America | American Experience | PBS
Code Duello: The Rules of Dueling | American Experience | PBS
Dueling History: An Affair of Honor | The Art of Manliness
Dueling | History Detectives | PBS
Duel! | History| Smithsonian Magazine
How Duels Work | HowStuffWorks
Discover America's Bloody History at Five Famous Dueling …