1. Clé Lesger is Associate Professor of Economic and Social History, University of Amsterdam. He is the author of The Rise of the Amsterdam Market and Information Exchange: Merchants, Commercial Expansion and Change in the Spatial Economy of the Low Countries, c.1550–1630 (Aldershot, 2006); “Patterns of Retail Location and Urban Form in Amsterdam in the Eighteenth Century,” Urban History, XXXVIII (2011), 24–47.
2. Marco H. D. Van Leeuwen is Professor of Historical Sociology, Utrecht University. He is the author of “Social Inequality and Mobility in History,” Continuity and Change, XXIV (2009), 399–419; with Ineke Maas, HISCLASS: A Historical Social Class Scheme (Leuven, 2011).