** Introduction

** Chapter 1. Marxism

** Chapter 2. Middle-Class Materialism

** Chapter 3. Dietzgen

** Chapter 4. Mach

** Chapter 5. Avenarius

** Chapter 6. Lenin

*** The Criticism

*** Natural Science

*** Materialism

*** Plechanov’s Views

** Chapter 7. The Russian Revolution

** Chapter 8. The Proletarian Revolution