Payne also records the discovery in the Bibliothèque Nationale in Paris of two Arabic manuscripts containing "Aladdin" (with two more of the "interpolated" tales). One was written by a Syrian Christian priest living in Paris, named Dionysios Shawish, alias Dom Denis Chavis. The other is supposed to be a copy Mikhail Sabbagh made of a manuscript written in Baghdad in 1703. It was purchased by the Bibliothèque Nationale at the end of the nineteenth century. As part of his work on the first critical edition of the "Nights", Iraq's Muhsin Mahdi has shown that both these manuscripts are "back-translations" of Galland's text into Arabic.