is author/editor of the following titles:
Interaction of Morphology and Syntax: Case studies in Afroasiatic
[Typological Studies in Language, 75] 2008. v, 234 pp.
Explaining Language Structure through Systems Interaction
[Typological Studies in Language, 55] 2003. xviii, 309 pp.
Forms and functions: Volume 1: Reflexives; Volume 2: Reciprocals. 2 Volumes (set)
[Typological Studies in Language, 40-41] 2000. xiv, 286 pp. & xii, 201 pp.
Grammaticalization of the Complex Sentence: A case study in Chadic
[Studies in Language Companion Series, 32] 1996. xviii, 501 pp.
is author of the following articles:
In Reciprocals: Forms and functions, 1792000. “Coding of the reciprocal function”.
In Reflexives: Forms and functions, vii2000. “Introduction”.
In Reflexives: Forms and functions, 1252000. “Domains of point of view and coreferentiality”.
In Studies in Anaphora, 1691996. “On Sources of Demonstratives and Anaphors”.