[1] The compositionally zoned eruption of 1912 in the Valley of Ten Thousand Smokes, Katmai National Park, Alaska, 1983

Hildreth, Wes, 1983, The compositionally zoned eruption of 1912 in the Valley of Ten Thousand Smokes, Katmai National Park, Alaska: Journal of Volcanology and Geothermal Research, v. 18, n. 1-4, p. 1-56.

[2] The Novarupta-Katmai eruption of 1912: Largest eruption of the twentieth century: Centennial perspectives, 2012

Hildreth, W., and Fierstein, J., 2012, The Novarupta-Katmai eruption of 1912: Largest eruption of the twentieth century: Centennial perspectives: U.S. Geological Survey Professional Paper 1791, 259 p., available at http://pubs.usgs.gov/pp/1791/ .