First published in 2002. Routledge is an imprint of Taylor & Francis, an informa company.

Chapter 1 Notebook I; Chapter 2 Notebook II; Chapter 3 Notebook III; Chapter 4 Notebook IV; Chapter 5 Notebook V; Chapter 6 Notebook VI; Chapter 7 (Begun Feb. 9/46); Chapter 8 Notebook VIII; Chapter 9 Notebook IX;

George Edward Moore Fellow of Trinity College, Cambridge, and Emeritus Professor of Philosophy in the University of Cambridge. Casimir Lewy Fellow of Trinity College, Cambridge, and Sidgwick Lecturer in Moral Science in the University of Cambridge.