Volcanoes
Free to read here, from Project Gutenberg.
Complete Story of the San Francisco Horror
The Ancient Volcanoes of Great Britain, Volume 1 (of 2)
Coral Reefs
The Wonder Book of Volcanoes and Earthquakes
Hawaiian Legends of Volcanoes (mythology)
Volcanoes: What They are and What They Teach
Volcanoes
Volcanic Islands
The Ancient Volcanoes of Great Britain, Volume 2 (of 2)
My experiments with volcanoes
"Sterminator Vesevo" (Vesuvius the great exterminator)
Coral Reefs; Volcanic Islands; South American Geology — Complete
The White Man's Foot
The Flaming Mountain: A Rick Brant Science-Adventure Story
The Island of Gold: A Sailor's Yarn
Observations on Mount Vesuvius, Mount Etna, and Other Volcanos
Volcanoes: Past and Present
Wonders of Creation: A Descriptive Account of Volcanoes and Their Phenomena
Geologische Beobachtungen über die Vulcanischen Inseln
Observations Géologiques sur les Îles Volcaniques Explorées par l'Expédition du "Beagle"
Volcanoes of the United States