A New Mind for the New Age

The Moral and Religious Challenge of Our Times: The Guiding Principle in Human Development, Reverence for Personality

Rational Living: Some Practical Inferences from Modern Psychology

Letters on the Greatness and Simplicity of the Christian Faith

Personal and Ideal Elements in Education

The Way to Life: A Revised and Enlarged Reprint of Those Portions of the Author's Ethics of Jesus, Dealing with the Sermon on the Mount, with a Special Discussion of War and Teaching of Jesus

Seeing Life Whole: A Christian Philosophy of Life; the Deems Lectures for 1922, New York University

Fundamental Questions

A Selected Bibliography of Evolution

The Ethics of Jesus: Being the William Belden Noble Lectures for 1909

Religion as Life

How to Make a Rational Fight for Character

The Seeming Unreality of the Spiritual Life: The Nathaniel William Taylor Lectures for 1907, Given Before the Divinity School of Yale University

The Laws of Friendship, Human and Divine