Columbia subject headings:
Provençal language--Grammar.
Troubadours.
William IX, Duke of Aquitaine, 1071-1127--Language.
William IX, Duke of Aquitaine, 1071-1127--Translations into English.
Harvard subject headings:
Provençal language--Grammar.
William IX, Duke of Aquitaine, 1071-1127--Language.
William IX, Duke of Aquitaine, 1071-1127--Translations, English.
Princeton subject headings:
Provençal language--Grammar.
William IX, Duke of Aquitaine, 1071-1127--Language.
William IX, Duke of Aquitaine, 1071-1127--Translations, English.