is author/editor of the following titles:
Approaches to Grammaticalization: Volume I. Theoretical and methodological issues
[Typological Studies in Language, 19:1] 1991. xii, 360 pp.
Approaches to Grammaticalization: Volume II. Types of grammatical markers
[Typological Studies in Language, 19:2] 1991. xii, 558 pp.
is editor/board member of the following book series:
is editor/board member of the following journals:
is author of the following articles:
In Language Contact and Contact Languages, 33–602008. “Contact-induced word order change without word order change”.
On degrammaticalization”. In Historical Linguistics 2001: Selected papers from the 15th International Conference on Historical Linguistics, Melbourne, 13–17 August 2001, 163–179
In Dimensions of Possession, 3112001. “16. Ways of explaining possession”.
In Perspectives on Grammaticalization, 255–2871994. “Grammaticalization as an explanatory parameter”.
In Language Contact and Language Conflict, 55–681994. “Areal influence on grammaticalization”.
In Readings in Creole Studies, 89–981979. “6. Some linguistic characteristics of African-based pidgins”.