A rare manuscript, part of the collection of The British Library, was most probably looted during the Nazi era and must be returned to its rightful owner. The manuscript, a Missal and calendar written in 'Beneventan' script, known as Benevento VI 29 or Egerton 3511, was looted from the Metropolitan Chapter of the Cathedral City of Benevento between 1943 and 1944, and was acquired by the British Museum in 1947. It was then transfered with the British Museum Library's collections to the British Library on its foundation in 1973