Acknowledgments
The production of this volume was supported by the European Research Council, through the Advanced grant n. 740611, “Civil law, common law, customary law: consonance, divergence and transformation in Western Europe from the late 11th- to the 13th centuries” (see http://clicme.wp.st-andrews.ac.uk/). The editors would also like to thank Joshua Hey for his invaluable work on the production of the typescript.