Columbia subject headings:
Harvard subject headings:
Anglo-Saxon--Historiography.
Britons--Historiography.
Gildas, 516?-570?
Gildas, 516?-570? Liber querulus de excidio Britanniae--Criticism, Textual.
Great Britain--History--Anglo-Saxon period, 449-1066--Historiography.
History, Ancient--Historiography
Middle Ages--Historiography
Princeton subject headings:
Gildas, 516?-570? Liber querulus de excidio Britanniae.