Chapter 1. Introduction: Reevaluating Christian Wolff's Psychology.- Chapter 2. Who was Afraid of Wolff's Psychology? The Historical Context.- Chapter 3. The Origins and Development of Wolff's Psychology in His German writings.- Chapter 4. Empirical Psychology: Between Reason and Experience.- Chapter 5. Wolff and the Dogmas of Classical Rationalism.- Chapter 6. Wolff's Idea of Psychometria.- Chapter 7. Wolff on monadology and "Materialisterey".- Chapter 8. Wolff and the Logic of the Human Mind.- Chapter 9. Image Composition as an Aesthetic-Epistemological Problem in Wolff's Empirical Psychology.- Chapter 10. In-between Psychology and Moral Philosophy: Christian Wolff's Principle of Natural Obligation.- Chapter 11. The Relation between Psychology and the Other Parts of Metaphysics: Ontology, Cosmology, and Theology.- Chapter 12. Development and Diffusion of Wolff's Psychology through His Disciples and Followers.- Chapter 13. Wolffians and the Emancipation of Aesthetic Faculties.- Chapter 14. Wolff and the Beginnings of Experimental Psychology in the Eighteenth Century.- Chapter 15. The Science of the Soul and the Unyielding Architectonic: Kant versus Wolff on the Foundations of Psychology.- Chapter 16. Hegel and Wolff's Psychologies.- Chapter 17. The Most Excellent Psychological Systematist": Wolff's Psychology in the Eyes of Wilhelm Wundt