The measurement of intelligence

The Origin and Nature of the Emotions; Miscellaneous Papers

The Child Under Eight

The Mind of the Child, Part II The Development of the Intellect, International Education Series Edited By William T. Harris, Volume IX.

Zweierlei Denken: Ein Beitrag zur Physiologie des Denkens

Die Physiologie und Psychologie des Lachens und des Komischen. Ein Beitrag zur experimentellen Psychologie für Naturforscher, Philosophen und gebildete Laien.

Condensed guide for the Stanford revision of the Binet-Simon intelligence tests

Children's Ways Being selections from the author's "Studies of childhood," with some additional matter

Vocational Psychology: Its Problems and Methods

The Hive

Experimentelle Psychologie

The mothercraft manual