Presents a number of diverse theoretical viewpoints on grammaticalization. This volume is divided into five sections: verbal structure, argument structure, subordination, modality, and multiple paths of grammaticalization.

1. Foreword; 2. Introduction (by Traugott, Elizabeth Closs); 3. I. Verbal structure; 4. Back to the future (by Bybee, Joan L.); 5. The emergence of perfective aspect in Indo-Aryan languages (by Hook, Peter Edwin); 6. II. Argument structure; 7. Grammaticization of topic into subject (by Shibatani, Masayoshi); 8. From V/2 to subject clitics: evidence from Northern Italian (by Haiman, John); 9. The role of motivation in the emergence of grammatical categories: the grammaticization of subjects (by Mithun, Marianne); 10. Verbs to promotional suffixes in Sahaptian and klamath (by Rude, Noel); 11. Grammaticalization of postpositions and word order in Senufo languages (by Carlson, Robert); 12. III. Subordination; 13. From postposition to subordinator in Newari (by Genetti, Carol); 14. The evolution of dependent clause morpho-syntax in Biblical Hebrew (by Givon, T.); 15. IV. Modality; 16. A quantitative perspective on the gramaticization of epistemic parentheticals in English (by Thompson, Sandra A.); 17. The grammaticization of the German modal particles (by Abraham, Werner); 18. V. Spectra of grammaticalization patterns; 19. Areal and universal dimensions of grammatization in Lahu (by Matisoff, James A.); 20. Ways to go in Rama: a case study in polygrammaticalization (by Craig, Colette G.); 21. Grammaticalization and related changes in contemporary German (by Lehmann, Christian)