Original publication: Milway, Michael. “Review of Ad Summum 1248. Der gotische Dom im Mittelalter. Ausstellung des Historischen Archivs der Stadt Köln aus Anlaß der Grundsteinlegung des Kölner Doms vor 750 Jahren.” Confraternitas 9 (2): 2010. 33-34. DOI: 10.33137/confrat.v9i2.13352. This material has been re-published in an unmodified form on the Canadian HSS Commons with the permission of Iter Canada / Confraternitas. Copyright © the author(s). Their work is distributed by Confraternitas under a Creative Commons Attribution-NonCommercial 4.0 International License. For details, see creativecommons.org/licenses/.