Cole, Margo (29 March 2001). “Fit for a king”. New Civil Engineer. 29 March 2001閲覧。 “Local opposition led to a four year delay and a public inquiry, with Wilson's design eventually approved in 1998.”
Cole, Margo (29 March 2001). “Fit for a king”. New Civil Engineer. 29 March 2001閲覧。 “The agreed location for the visitor centre was within the embankment, with the car parking platform forming the building's roof.”