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Among the 30,000 manuscripts, which range from Greek and Latin to Hebrew, Syriac, Arabic, Ethiopian, Turkish and Persian, is the Muratorian fragment, of "ca" 170 A.D., the earliest example of a Biblical canon and an original copy of "De divina proportione" by Luca Pacioli. Among Christian and Islamic Arabic manuscripts are treatises on medicine, a unique 11th-century diwan of poets, and the oldest copy of the "Kitab Sibawahaihi".