Columbia subject headings:
Harvard subject headings:
Canticles--Portugal.
Canticles--Spain--Galicia (Region)
Folk songs.
Poetry
Portuguese poetry--To 1500.
Troubadours--Portugal.
Troubadours--Spain--Galicia (Region)
Princeton subject headings:
Portuguese poetry--To 1500.
Songs, Galician--Texts.
Songs, Portuguese--Texts.