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Volcanologie de la Chaine des Puys, Massif Central Francais,[Carte de]. (1975). Paris: Institute Gèographique National. Colour printed map at 1:25.000. Institute Geographique National.
Williams, H. and McBirney, A.R. (1979). Volcanology. San Francisco: Freeman, Cooper, 1st edition. WH Freeman.
World seismic map, 1896. Verbreitung der Erdbeben und Seebeben und Vulkane. (Spread of earthquakes and seaquakes and volcanoes) from Meyer. Bibliographisches Institut Leipzig.