PARFITT, Elisabeth A.; WILSON, Lionel. Fundamentals of Physical Volcanology. [s.l.]: Blackwell Publishing company, 2009. Dostupné online. ISBN978-0-63205443-5. Kapitola Volcanoes and climate: The effects of eruption volume on climate impact, s. 185. (anglicky)
[1] Drais roku 1816: „In wartime, when horses and their fodder often become scarce, a small fleet of such wagons at each corps could be important, especially for dispatches over short distances and for carrying the wounded.“
Výbuch indonézskej sopky Tambora pred 195 rokmi pripravil o život 92.000 ľudí. www.metoo.cz [online]. [cit. 2013-02-14]. Dostupné v archivu pořízeném dne 2014-04-17. (slovensky)
