The troubadour revival : a study of social change and traditionalism in late medieval Spain 2026-02-15T08:07:46+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Boase, Roger (Routledge & Kegan Paul, 1978)