The earliest extant European document on paper, possibly written on paper manufactured in Europe, comes from the chancellery of the Norman kings who had occupied the island of Sicily. It is an order dated 1109 in Greek and Arabic concerning a salt mine near Castrogiovanni (now Enna) issued by the countess Adelasia, first wife of Roger I of Sicily. The document is preserved in the state archives at Palermo.
Levey, "Mediaeval Arabic Bookmaking and its Relation to Early Chemistry and Pharmacology," Transactions of the American Philosophical Society, new series, Vol. 52, part 4  10.
Carter, Invention of Printing in China 2nd ed (1955) 137.
Frugoni, Inventions of the Middle Ages (2007) 62, reproducing the document as figure 41.