See also the home page of the Legenda book series Legenda (General Series)

Parkinson, Stephen (ed.). 2000. Cobras e Son: Papers on the Text, Music and Manuscripts of the 'Cantigas de Santa Maria' (Legenda)

Butterfield, Ardis, Henry Hope, and Pauline Souleau (eds). 2017. Performing Medieval Text (Legenda)