A Christian mission to Muslim Spain in the 11th century. [Two documents from MS. no. 538 of the Escorial Arabic collection, the one a letter from an anonymous 'monk of France' to al-Muqtadir b. Hūd, ruler of Saragossa, the other, the reply written for al-Muqtadir by Abu'l-Walīd al-Bāy̌ī.]
Dunlop, Douglas Morton.
[S.l., 
1952]