Columbia subject headings:
Choruses, Sacred (Mixed voices), Unaccompanied.
Christian pilgrims and pilgrimages--Spain--Santiago de Compostela.
Hymns, Latin.
Masses, Unaccompanied.
Motets.
Harvard subject headings:
Choruses, Sacred (Mixed voices), Unaccompanied.
Christian pilgrims and pilgrimages--Spain--Santiago de Compostela.
Hymns, Latin.
Masses, Unaccompanied.
Motets.
Princeton subject headings:
Conductus.
Masses, Unaccompanied.
Motets.
Pilgrims and pilgrimages--Spain--Santiago de Compostela--Songs and music.