Superbus Tyrannus Vortigernus. Sketch to a Portrait of a 5th-Century Briton Ruler (Gildas, Bede, Nennius)

Quaestiones Medii Aevi Novae, Tom 10 (2005) s. 199-227
Paweł Derecki , Aleksandra Rodzińska-Chojnowska (tł.)