2011Comparative Indo-European linguistics: An introduction. 2nd edn, revised and corrected by Michiel de Vaan. Amsterdam: John Benjamins. doi: 10.1075/z.172
2014 Gothic stojan ‘judge’, Old High German stūēn ‘atone for’. In H. Craig Melchert , Elisabeth Rieken & Thomas Steer (eds.), Munus Amicitiae: Norbert Oettinger a collegis et amicis dicatum, 113-120. Ann Arbor, MI: Beech Stave Press.
2004 The “Swimming Duck” in Greek and Hittite. In J.H.W. Penney (ed.), Indo-European perspectives: Studies in honour of Anna Morpurgo Davies, 195-216. Oxford: Oxford University Press.
2005 To turn a blind eel. In Karlene Jones-Bley , Martin E. Huld , Angela Della Volpe & Miriam Robbins Dexter (eds.), Proceedings of the 16th Annual UCLA Indo-European Conference, 259-296. Washington, DC: Institute for the Study of Man.
2013 Towards a framework of contact etymology. In Robert Mailhammer (ed.), Lexical and structural etymology, 9-32. Berlin: de Gruyter. doi: 10.1515/9781614510581