1. Trends of differentiation in basaltic magmas;Kennedy;Am. J. Sci.,1933
2. The lavas of the Modoc Lava-Bed quadrangle, California;Powers;Am. Min.,1932
3. Geology of the Lassen Peak National Park, California;Williams;Univ. Calif. Dept. Geol. Sci.,1932
4. Volcanoes of the Medicine Lake Highland, California;Anderson;Univ. Calif. Dept. Geol. Sci.,1941
5. Some aspects of magmatic evolution;Tilley;Quart. J. Geol. Soc. London,1950