The above website is currently under construction so you might try http://www.herefordwebpages.co.uk/mapmundi.shtml & http://www.herefordcathedral.org/about/archive/chained_library.html also.Thanks,David KennedyAlthough the Mappa Mundi and Chained Library are in the same location as Hereford Cathedral, they have their own purpose-built building and carry a separate admission fee.