Center For Science Education: Mount Tambora and the Year Without a Summer
CNN: Why a volcanic eruption caused a 'year without a summer' in 1816
JSTOR Daily: The Volcano Felt Around the World
Medium: 'The Year Without A Summer': The Climate Origins of Mary Shelley's Frankenstein
The Old Farmers Almanac: The Year Without A Summer
The Paris Review: Year Without a Summer
Smithsonian Magazine: Blast from the Past
USA Today: 200 years ago, we endured a 'year without a summer'
Wikipedia: 1815 eruption of Mount Tambora
Wired: April 10, 1815: Tambora Explosion Triggers "Volcanic Winter"