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Erethism - Wikipedia
Erethism - Wikipedia
Where did the phrase “mad as a hatter” come from?
How Hatmakers Really Did 'Go Mad' 300 Years Ago - YouTube
/cdn.vox-cdn.com/uploads/chorus_image/image/54261083/beaver_hat_crop.0.jpg "The science behind S-Town's mercury poisoning mystery - Vox")
The science behind S-Town's mercury poisoning mystery - Vox
Mad as a Hatter': The History of a Simile - The New York Times
Mad Hatter from Alice in Wonderland | CharacTour
Mad as a hatter
