Introduction to Philosophy: An Inquiry After a Rational System of Scientific Principles in Their Relation to Ultimate Reality

A Theory of Reality: An Essay in Metaphysical System Upon the Basis of Human Cognitive Experience

Primer of Psychology

Philosophy of Knowledge: An Inquiry Into the Nature, Limits, and Validity of Human Cognitive Faculty

Rare Days in Japan

What is the Bible?: An Inquiry Into the Origin and Nature of the Old and New Testaments in the Light of Modern Biblical Study

Introduction to Philosophy: An Inquiry After a Rational System of Scientific Principles in Their Relation to Ultimate Reality

Elements of Physiological Psychology: A Treatise of the Activities and Nature of the Mind from the Physical and Experimental Point of View

The Doctrine of Sacred Scripture: A Critical, Historical and Dogmatic Inquiry Into the Origin and Nature of the Old and New Testaments, Volume 2

Philosophy of Conduct: A Treatise of the Facts, Principles, and Ideals of Ethics

Knowledge, Life and Reality: An Essay in Systematic Philosophy

A Theory of Reality: An Essay in Metaphysical System Upon the Basis of Human Cognitive Experience

Psychology, Descriptive and Explanatory

What is the Bible?: An Inquiry Into the Origin and Nature of the Old and New Testaments in the Light of Modern Biblical Study

Knowledge, Life and Reality: An Essay in Systematic Philosophy

Introduction to Philosophy: An Inquiry After a Rational System of Scientific Principles in Their Relation to Ultimate Reality

Philosophy of Conduct: A Treatise of the Facts, Principles, and Ideals of Ethics

The Philosophy of Religion: A Critical and Speculative Treatise of Man's Religious Experience and Development in the Light of Modern Science and Reflective Thinking, Volume 1

Knowledge, Life and Reality: An Essay in Systematic Philosophy

What is the Bible?: An Inquiry Into the Origin and Nature of the Old and New Testaments in the Light of Modern Biblical Study