Yellowstone National Park supplement to research in the national park system.

Physical stratigraphy of the phosphoria formation in Northwestern Wyoming

Annual review of plant physiology.

Dictionary of philosophy and psychology, including many of the principal conceptions of ethics, logic, aesthetics, philosophy of religion, mental pathology, anthropology, biology, neurology, physiology, economics, political and social philosophy, philology, physical science, and education, and giving a terminology in English, French, German, and Italian,