Chained Library at Hereford

Documents dating from the 8th century draw researchers to this old library in the UK. The cathedral stands on a site where worshippers have joined together for twelve-hundred years. Today, the library of the Hereford Cathedral is known for its medieval books and the precious Mappa Mundi, a medieval map that gives visitors an insight as to how medieval scholars saw the world.

The library is perhaps best known for its unique security system. Chaining books was a widespread practice during the Mi...