O'Regan, Noel
O'Regan, Noel. 1984. The Early Polychoral Music of Orlando di Lasso: New Light from Roman Sources. Acta Musicologica, 234-51.
O'Regan, Noel. 1984. The Early Polychoral Music of Orlando di Lasso: New Light from Roman Sources. Acta Musicologica, 234-51.