1. The Nature Study Idea. Garden City, New York: Doubleday, Doran. Inc., 1906.
2. Handbook of Nature Study. Ithaca, N. Y.: Comstock Publishing Co., 1929.
3. “The Evolution of Nature Study.” Read at the annual meeting of the American Nature Society, Des Moines, Iowa, December, 1929.
4. Fourth Yearbook, Department of Superintendence. National Education Association, 1926.
5. A review and evaluation of the curricular studies pertaining to elementary science