This article uses text taken from the Preface to the Online English translation of the Christian Topography, which is in the public domain.
كوروغرافية مكتبة الفاتيكان دير سانت كاترين دير سيمونوس بتراس This article uses text taken from the Preface to the Online English translation of the Christian Topography, which is in the public domain.