The book of the child: An attempt to set down what is in the mind of children

The Child Under Eight

Youth and Sex: Dangers and Safeguards for Girls and Boys

The Unfolding Life A Study of Development with Reference to Religious Training

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

Algumas lições de psicologia e pedologia

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

Die Welt im Kinderköpfchen

Psychology and parenthood

The Play of Man

Little Masterpieces of Science: Mind