File:Droysen - Oströmisches Reich.jpgDescriptionDroysen - Oströmisches Reich.jpg English: Map of the Byzantine Empire taken from G. Droysens Allgemeiner Historischer Handatlas, Verlag Velhagen
File:Asia Minor ca 780 AD.svgHistory of the Byzantine Empire c.500-1492 (2009), p. 371; Droysen - Oströmisches Reich.jpg; A. Kazhdan et al., The Oxford Dictionary of Byzantium (1991)
File:Byzantine Greece ca 900 AD.svgWhittow, The Making of Byzantium, 600-1025 (1996), p. 166; Droysen - Oströmisches Reich.jpg; Oxford Dictionary of Byzantium (1991), p. 871; Liz James (ed)
File:Asia Minor ca 842 AD.svgHistory of the Byzantine Empire c.500-1492 (2009), p. 371 Droysen – Oströmisches Reich.jpg A. Kazhdan et al., The Oxford Dictionary of Byzantium (1991)
File:Asia Minor ca 842 AD-ar.pngHistory of the Byzantine Empire c.500-1492 (2009), p. 371; File:Droysen - Oströmisches Reich.jpg; A. Kazhdan et al., The Oxford Dictionary of Byzantium (1991)