1. Naples vertical. "Deep holes" in a porous city Michalsky, Tanja 2018 Reports HistoryArchitectureCity planning
2. Bernini’s S. Andrea al Quirinale and Early Modern Architectural Representation Barry, Fabio 2012 Abstracts (Summaries) ArchitectureArt
3. On the trail of Frederick II : the rediscovery of Medieval architecture in southern Italy and 19th century European nationalism Cianciolo , Gabriella 2010 Reports ArchitectureHistory