Building a castle : preparing for war or keeping the peace? : Castella Maris Baltici XIII and The Danish Castle Research Association "Magt, Borg og Landskab" : proceedings of a symposium held in Vordingborg, Nyborg and Elsinore in Denmard on the 24th to the 28th August 2015 / edited by Nils Engberg, Vivian Etting, Lars Meldgaard Sass Jensen, Claus Sørensen, and Dorothe Wille-Jørgensen. - Engberg, Nils; Etting, Vivian (1957- ).; Sass Jensen, Lars Meldgaard; Sørensen, Claus Frederik; Wille-Jørgensen, Dorothe (1955- ). (Castella Maris Baltici, 2018)