Keywords: Kralingen 1611 (Balth. Florisz. van Berckenrode ).jpg Detail of a map of Rotterdam from 1611 by Balthazar Florisz van Berckenrode showing Den Ouwen Dijck and Dijck Wateringe in Kralingen map of Rotterdam 1611 Balthazar Florisz van Berckenrode as below PD-old-100 Old maps of Rotterdam Balthasar Florisz van Berckenrode |