Stefan Magnussen studied History and Politics at Kiel University and Brock University, St. Catharines, Ontario. He was a research assistant at Kiel University until 2017. Currently, he is a research assistant at Leipzig University.Daniel Kossack studied Archaeology at Münster University and Kiel University. He is a research assistant at Kiel University.

• Rainer Atzbach, The «Burgenbauregal» – A spectre in historical and archaeological research on castles – Daniel Kossack, Problems and challenges of research on castles in Wagria, Germany – Timo Bremer, The meaning of a castles' location – The impact of social status and power on the site selection of noble residences in the Northern Rhineland – Clemens Ludwig and Tobias Uhlig, Research on the evidence of petty nobility at a rural settlement site from the late medieval period near Harras in southern Thuringia – Frederic Zangel, The function of sovereign castles in Schleswig and Holstein: An examination on the basis of castle bond certificates (ca. 1460–1480) – Michael Losse, Defences, shelters or symbols of power? Castles, towers and fortified settlements (Kástra) in the Knights Hospitallers’ monastic state in the Aegean from 1307 until 1522 – Anastasija Ropa, Medieval castles in Latvia: State of research and future perspectives – Anna G. Piotrowska, Games and sounds in medieval castles: A few words on musical entertainment and entertainers – Martina Bernardi, Fortifications in Latium (Italy): The case of Monti Lucretili – Jørgen Holm Jacobsen Fenger, A data analysis of the construction of medieval castles in the former counties of Thisted and Hjørring (Denmark) – Stefan Magnussen, Form follows ‹Fürst›? A study on the uses of analogies in castle research by reference to the cases of kings Valdemar I and Eric VI of Denmark