Music from the Earliest Notations to the Sixteenth Century

9 Alfons Kurfess, “Christian Sibyllines,” in E. Hennecke, New Testament Apocrypha (Philadelphia, 1965); quoted in Peter Bergquist, “The
Poems of Orlando di Lasso’s Prophetiae Sibyllarum and Their Sources,” JAMS XXXII (1979): 521.