1. Introduction
2. The Indo-European language family
3. Phonological change
4. Lexical change
5. Morphological change
6. Grammaticalization I
7. Grammaticalization II
8. Syntactic reanalysis and word order correlations
9. Sociolinguistic aspects of language change
10. Lexical diffusion
11. Geographical diffusion diffusion
12. The invisible hand theory