"A portion of the material in this report was submitted... for master of science and doctor's degree at the Missouri School of Mines and Metallurgy and the University of North Carolina respectively.",Bibliography: pages 115-116.,LSO ID: umlr000028.
Published also as Illinois. State Geological Survey. Bulletin no. 45.,Part of illustrative matter in pocket.,Includes bibliographical references.,LSO ID: umlr000019.
Missouri. Bureau of geology and mines. [Reports] v.21, 2d ser., with special thesis t.p.n attached.,Ph. D. University of Chicago, 1916.,Bibliography: 257-261.,LSO ID: umlr000021.