Chapter 1 The Centralization of the Congress

Chapter 2 The Unity of Knowledge

Chapter 3 The Development of Classification

Chapter 4 The Four Theoretical Divisions

Chapter 5 The Physical and the Mental Sciences

Chapter 6 The Historical and the Normative Sciences

Chapter 7 The Three Divisions of Practical Sciences

Chapter 8

Chapter 9 Mathematics.

Chapter 10

Chapter 11

Chapter 12 No.12

Chapter 14 No.14

Chapter 15 No.15

Chapter 16 Biology.

Chapter 17 They are, accurately expressed, merely hypotheses, whose validity needs verification through future experience.