Literature
- Bjarnason, H. And Thorarinsson, S.: Datering av vulkaniska asklager i isländsk jordmån. Geografisk Tidskrift. Köbenhavn 1940.
- Thorarinsson, S.: Tefrokronologiska studier på Island. Geografiska Annaler. Stockholm 1944.
- Thoroddsen, Th.: Die Geschichte der isländischen Vulkane. Köbenhavn 1925.
- Descloizeaux, A.: Observations sur les principaux Geysers d'Islande. Ann. de Chim. et de Phys. Sér. 3, Tom. XXI. Paris 1847.
- Forbes, C. S.: Iceland, its Volcanoes, Geysers and Glaciers. London 1860.
- Barth, T. F. W.: Geysir in Iceland. American Journal of Science. June 1940.
- Einarsson, T.: Geysir i Haukadal. Tímarit Verkfræoingafélags Íslands. Reykjavík 1938.
- Wright, J.: The Hagavatn gorge. Geographical Journal. Vol. 86. London 1935.
- Thorarinsson, S.: The Ice dammed Lakes of Iceland. Geografiska Annaler. Stockholm 1940.
- Ahlmann, H. W:son: Scientific Results of the Swedish-Norwegian Arctic Expedition. Part VIII. Glaciology. Geografiska Annaler. Stockholm 1933.
- Thorarinsson, S.: Vatnajökull. Chapter III. Geografiska Annaler. Stockholm 1936.
- Thorarinsson, S. Present Glacier Shrinkage and Eustatic Changes of Sea Level. Geografiska Annaler. Stockholm 1944.
- Ahlmann, H. W:son: Glaciological Research on the North Atlantic Coasts. The Royal Geographical Society. London 1948.
- Landnámabók I–III. Köbenhavn 1900.
- Einarsson, T.: Über die Geologie der Westmännerinseln. Vísindafélag Islendinga. Greinar II, 3. Reykjavik 1943.