Editorial preface; Memoir J. A. Passmore; List of Stout's works; Book I. Introductory: 1. Ethical neutrality and pragmatism; 2. Agnosticism, legitimate and illegitimate; Book II. The Unity of the Universe: 3. The Hegelian doctrine; 4. Russell's sceptical theory of knowledge; 5. Universals, particulars and possibilities; Book III. Matter and our Knowledge of It: 6. Neo-realism and the Berkeley-Mill theory; 7. How are physical objects initially known?; 8. External and internal perception; 9. Correlation of external data (a) causal relations; 10. Correlation of external data (b) non-causal properties of physical objects; 11. The status of sensa; Book IV. The Universal Correlation of Mind and Matter: 12. The relation of the mind to its own sensa; 13. Mind-stuff theories and monadism; 14. The conception of a universal mind; 15. Body and mind, and the dependence of finite individuals on a universal mind; Book V. Mind and our Knowledge of It: 16. Our Knowledge of ourselves, other minds and God; 17. Cognitive unity as implying the unity of the universe; 18. Idealism and the universal mind; 19. Unity of interest as implying the unity of the universe; 20. Mental conflict and mental dissociation; 21. Good, evil and God; Index.