Guide to the reader
Table of Contents.
Introduction
1. First stage
2. Second stage
3. Third stage
    3.1. Tocharian
    3.2. North-West Indo-European
    3.3. Palaeo-Balkan
    3.4. Indo-Iranian.
    3.5. Finno-Ugric.
    3.6. Samoyedic
4. Fourth stage
I. Schleicher’s fable in other proto-languages
II. Laryngeal loss and vocalism
III. The three-dorsal theory
References