Columbia subject headings:
Sordello, of Goito, active 13th century--Translations into English.
Troubadours.
Harvard subject headings:
Sordello, of Goito, active 13th century--Translations, English.
Troubadours.
Princeton subject headings:
Sordello, of Goito, active 13th century--Translations, English.
Troubadours.