1. Obsidian hydration dates for Klamath prehistory;Aikens;Tebiwa Miscellaneous Papers,1978
2. Volcanic history of Glass Mountain, northern California;Anderson;American Journal of Science,1933
3. Volcanoes of the Medicine Lake Highland, California;Anderson;University of California Publications, Bulletin of the Department of Geological Sciences,1941
4. Palaihnihan: radiocarbon support for glottochronology;Baumhoff;American Anthropologist,1963
5. Composition variations in obsidian sources and the archaeological implications;Bowman;Archaeometry,1973