Historical engravings

Koldinghus, restoration 1972-1992
About the history of Koldinghus – see articles by Johannes Exner on Koldinghus,
for example “Bygningsinspektører og Norn’er på Koldinghus”, Visible and Invisible, dedicated to Otto Norn
and artikel i Arkitektur 1/94 “Restaureringen af Koldinghus” (in Danish).