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Roads to Health: Infrastructure and Urban Wellbeing in Later Medieval Italy, Philadelphia: University of Pennsylvania Press, 2019

Flogging Others: Corporal Punishment and Cultural Identity from Antiquity to the Present, Amsterdam: Amsterdam University Press, 2014

[PDF] [Book on AUP website]

Dutch edition: De gesel en de ander: lijfstraffen van Oudheid tot heden, trad. Claire Weeda. 
Amsterdam: Amsterdam University Press, 2014

[PDF] [Book on AUP website]

The Medieval Prison: A Social History, Princeton: Princeton University Press, 2008

Italian edition: La prigione medievale: una storia sociale, Rome: Viella, 2012

Paperback edition: Princeton: Princeton University Press, 2014




Center and Periphery: Studies on Power in the Medieval World in Honor of William Chester Jordan, ed. Katherine L. Jansen, G. Geltner and Anne E. Lester. Leiden: Brill, 2013

Defenders and Critics of Franciscan Life, Essays in Honor of John V. Fleming, ed. Michael F. Cusato and G. Geltner. Leiden: Brill, 2009

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Anticorruption in History: From Antiquity to the Modern Era, ed. Ronald Kroeze, André Vitória and G. Geltner. Oxford: Oxford University Press, 2018

Chinese edition: under contract

Arabic edition: under contract