W. E. PRATT. The Eruption of Taal Volcano, January 30, 1911, Phil. Jour. Sci., vol. 6, No. 2, Sec. A, 1911, pp. 63-86, pls. 1-14.
F. H. NOBLE. Taal Volcano, album of views of 1911 eruption, Manila, 1911, pp. 1-48.
G. VOM RATH. Der Aetna. Bonn, 1872, pp. 1-33. (A beautiful piece of descriptive writing from both the geological and scenic standpoints.)
SARTORIUS VON WALTERSHAUSEN. Der Aetna. Leipzig, 1880, 2 quarto vols., pp. 371 and 548.
H. J. JOHNSTON-LAVIS. Geological Map of Monte Somma and Vesuvius, with a short and concise account, etc. Geo. Philip & Son, London, 1891.
H. J. JOHNSTON-LAVIS. The Eruption of Vesuvius in April, 1906, Trans. Roy. Dublin Soc., vol. 9, 1909, Pt. VIII, pp. 139-200, pls. 3-23 (the most authoritative work upon the subject).
T. A. JAGGAR, JR. The Volcano Vesuvius in 1906, Tech. Quart., vol. 19, 1906, pp. 105-115.
W. PRINZ. L’éruption du Vesuv d’avril, 1906, Ciel et Terre, 27e Année, 1906, pp. 1-49.
FRANK A. PERRET. Notes on the Electrical Phenomena of the Vesuvian Eruption, April, 1906, Sci. Bull., Brooklyn Inst. Arts and Sci., vol. 1, No. 11, pp. 307-312; Vesuvius, Characteristics and Phenomena of the Present Repose Period, Am. Jour. Sci., vol. 28, 1909, pp. 413-430.
WILLIAM H. HOBBS. The Grand Eruption of Vesuvius in 1906, Jour. Geol., vol. 14, 1906, pp. 636-655.
E. O. HOVEY. The New Cone of Mont Pelée and the Gorge of the Rivière Blanche, Martinique, Am. Jour. Sci., vol. 16, 1903, pp. 269-281, pls. 11-14.
A. HEILPRIN. The Tower of Pelée. Philadelphia, 1904, pp. 62, pls. 22.
A. LACROIX. La montagne Pelée et ses éruptions, Acad. des Sciences, Paris, 1904, Chapter iii.
KARL SAPPER. In den Vulkangebieten Mittelamerikas und Westindiens, Stuttgart, 1905, pp. 172-178.
A. C. LANE. Absorbed Gases of Vulcanism, Science, N.S., vol. 18, 1903, p. 760.
G. K. GILBERT. The Mechanism of the Mont Pelée Spine, _ibid._, vol. 19, 1904, pp. 927-928.
I. C. RUSSELL. Pelée Obelisk once More, _ibid._, vol. 21, 1905, pp. 924-931.
S. SEKYA and Y. KIKUCHI. The Eruption of Bandai-San, Trans. Seis. Soc., Japan, vol. 13, Pt. 2, 1890, pp. 140-222, pls. 1-9.
R. D. M. VERBEEK. Krakatau. Batavia, 1885, pp. 557, pls. 25.
ROYAL SOCIETY. The Eruption of Krakatoa and Subsequent Phenomena. London, 1888, pp. 494.