Drummond, William B. An Introduction to Child Study. Longmans, Green & Co., 1907. 347 pages.
Gesell, Beatrice C. and Arnold. The Normal Child and Primary Education. Ginn and Co., 1912. 342 pages.
Groszmann, M. P. E. The Career of the Child. Richard Badger, 1911. 335 pages.
Hall, G. Stanley. Youth, Its Education, Regimen, and Hygiene. D. Appleton & Co., 1907. 379 pages.
—— Aspects of Child Life and Education. Ginn and Co., 1907. 326 pages.
—— Adolescence: Its Psychology and Its Relations to Physiology, Anthropology, Sociology, Sex, Crime, Religion, and Education. D. Appleton & Co., 1904. 2 vols., 589 and 784 pages.
King, Irving. The High School Age. Robbs-Merrill Company, 1914. 288 pages.
Kirkpatrick, Edwin A. Fundamentals of Child Study. The Macmillan Company, 1903. 384 pages.
—— Genetic Psychology: An Introduction to an objective and genetic view of intelligence. The Macmillan Company, 1909. 373 pages.
Oppenheim, Nathan. The Development of the Child. The Macmillan Company, 1898. 296 pages.