We wish to thank Colin Haselgrove, David Wigg, Arent Pol and Paul Beliën for their comments on an earlier version of this text, published as the Van Gelder Lezing (Roymans 2008). Unless otherwise stated, the illustrations have been prepared by Bert Brouwenstijn (Archaeological Centre VU University Amsterdam). Annette Visser translated the text into English.
Nico Roymans, Joris Aarts
Universiteit van Amsterdam