Frankish institutions under Charlemagne 2026-02-15T11:58:21+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Ganshof, Francois Louis, 1895- (Brown University Press, 1968)