2012Sign-spatiality in Kata Kolok: How a village sign language of Bali inscribes its signing space. Nijmegen: Max Planck Institute of Psycholinguistics dissertation.
2013 Academics and Deaf communities: The ‘Deaf voice’. Presentation at the iSLanDS workshop on Realising the Link – Academics and Deaf Community Development , 17 June 2013, University of Central Lancashire, Preston.
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2012 Working with village sign language communities: Deaf fieldwork researchers in professional dialogue. In Ulrike Zeshan & Connie de Vos (eds.), Sign languages in village communities. Anthropological and linguistic insights, 313–344. Berlin: de Gruyter and Ishara Press. doi: 10.1515/9781614511496.313
2010 Variation in East Asian sign language structures. In Diane Brentari (ed.), Sign languages, 499–518. Cambridge: Cambridge University Press. doi: 10.1017/CBO9780511712203.023
1991 On some principles of grammaticalization. In Elizabeth Closs Traugott & Bernd Heine (eds.), Approaches to grammaticalization, Volume1, 17–36. Amsterdam: John Benjamins. doi: 10.1075/tsl.19.1.04hop
2007 On the syntax of negation and modals in German Sign Language (DGS) and Catalan Sign Language (LSC). In Pamela Perniss , Roland Pfau & Marcus Steinbach (eds.), Visible variation: Comparative studies on sign language structure, 129–161. Berlin: de Gruyter.
2006 Questions and negation in Hong Kong Sign Language. In Ulrike Zeshan (ed.), Interrogative and negative constructions in sign languages, 198–224. Nijmegen: Ishara Press.
2000 Sign languages and sign language families in Thailand and Vietnam. In Karen Emmorey & Harlan Lane (eds.), The signs of language revisited: An anthology to honor Ursula Bellugi and Edward Klima, 23–47. Mahwah, NJ: Erlbaum.
2011 Some observations on research methodology in lexicostatistical studies of sign languages. In Gaurav Mathur & Donna Jo Napoli (eds.), Deaf around the world: The impact of language, 38–53. Oxford: Oxford University Press.