HALSALL, Paul. Internet History Sourcebooks [online]. Fordham University [cit. 2021-08-22]. Dostupné online. (anglicky)
google.cz
books.google.cz
BAUMONT, Henri. Étude historique sur l'abbaye de Luxeuil (590-1790)/par H. Baumont [online]. M.-Pattegay, 1896 [cit. 2021-08-22]. Dostupné online. (francouzsky)
WORDSWORTH, Christopher. Occasional sermons preached in Westminster Abbey. Seven series. Second edition. [s.l.]: Britská knihovna, 1850. Dostupné online. S. 69. (anglicky)
MONTALEMBERT, Charles Forbes comte de. The Monks of the West, from St. Benedict to St. Bernard: Dedication. Introduction. book I. The Roman Empire after the peace of the church. book II. Monastic precursors in the East. book III. Monastic precursors in the West. 1861. Harvardova univerzita: Patrick-Donahoe Dostupné online. S. 589. (anglicky)
GORMAN, Michael Murray. Biblical Commentaries from the Early Middle Ages [online]. SISMEL edizioni del Galluzzo, 2002 [cit. 2021-08-22]. Dostupné online. ISBN978-88-8450-024-3. (anglicky)
SPINEI, Victor. The Great Migrations in the East and South East of Europe from the Ninth to the Thirteenth Century: Hungarians, Pechenegs and Uzes. [s.l.]: Hakkert, 2006. 835 s. Dostupné online. ISBN978-90-256-1207-8. (anglicky)
STOKES, Margaret. Three Months in the Forests of France: A Pilgrimage in Search of Vestiges of the Irish Saints in France. Pennsylvania State University: G. Bell 291 s. Dostupné online. S. 67. (anglicky)