General works:—
Paulett Scrope. The Geology of the Extinct Volcanoes of Central France. John Murray, London, 1858, pp. 258. (An epoch-making work of early date which, like the following reference, may be studied to advantage to-day.)
Sir Charles Lyell. Principles of Geology, vol. 1, Chapters xxiii-xxv.
Melchior Neumayr. Erdgeschichte, vol. 1, Allgemeine Geologie, revised edition by v. Uhlig, 1897, pp. 133-277 (a storehouse of valuable information clearly presented).
J. D. Dana. Characteristics of Volcanoes, with Contributions of Facts and Principles from the Hawaiian Islands. Dodd, Mead, and Company, New York, 1890, pp. 397.
Tempest Anderson. Volcanic Studies in Many Lands, being reproductions of photographs by the author with explanatory notes. John Murray, London, 1903, pp. 200, pls. 105.
T. G. Bonney. Volcanoes, their Structure and Significance. John Murray, London, 1899, pp. 331.
I. C. Russell. Volcanoes of North America. Macmillan, New York, 1897, pp. 346.
Elisée Réclus. Les volcans de la terre, Belgian Society of Astronomy, Meteorology, and Physics of the Globe, 1906-1910 (a valuable descriptive geographical and bibliographical work of reference).