Seals of approval: archaeological evidence for an aspect of regulation in the textile trade in the late Middle Ages and the early modern era - Egan, Geoff 1951-2010 (Centre, region, periphery. (1) Medieval Europe Basel 2002. 1. Keynote-lectures to the conference, sections 1-3. [3rd International Conference of Medieval and Later Archaeology, Preprinted Papers]., 2002)