http://www.pastscape.org.uk/hob.aspx?hob_id=134167
https://www.historicengland.org.uk/listing/the-list/list-entry/1015268
http://www.pastscape.org.uk/hob.aspx?hob_id=134167
https://www.historicengland.org.uk/listing/the-list/list-entry/1015268
Kastellmauer – Caister-on-Sea – England – Grossbritannien
Caister-on-Sea – England – Grossbritannien
Gebäude – Caister-on-Sea – England – Grossbritannien