Aerial RAF [Royal Air Force] photograph from the north of Festung [Fortress] IJmuiden Source: Bibliotheek Wageningen UR, Speciale Collecties, 264 V 3001
Aerial RAF [Royal Air Force] photograph from the north of Festung [Fortress] IJmuiden Source: Bibliotheek Wageningen UR, Speciale Collecties, 264 V 3003