Le Berceau de l'Islam : l'Arabie Occidentale à la veille de l'Hégire - Lammens, Henri <SJ ; 1862-1937>. (OLS)http://semarc/name/13532 (Scripta Pontificii Instituti Biblici, 1914)
Keywords: Arabia - Usi e costumi. (OLS)http://semarc/subject/4738

[Textus]. - Mcvey, Kathleen E. (OLS)http://semarc/name/10103 (George, bishop of the arabs, a homily on blessed Mar Severus, Patriarch of Antioch)
Keywords: Patristica - Scrittori orientali. (OLS)http://semarc/subject/1415