Vatican City, Oct 7, 2021 / 04:00 am (CNA). The Vatican Library has a ninth-century manuscript currently on display at the Dubai Expo. Three original manuscripts from the Vatican Apostolic Library are part of a Holy See exhibit on display until March 31, 2022, at the world's fair in the United Arab Emirates. The oldest of the documents is an Arabic translation of the Greek scholar Theon of Alexandria's introduction to Ptolemy's 'Handy Tables,' produced between 800 A.D. and 830 A.D. by the Bay