Charlemagne and the Carolingian Empire 2026-02-16T00:03:59+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Halphen, Louis, 1880-1950 (Europe in the Middle Ages, 1977)