Hughes, H V
Wooldridge, Harry Ellis, and H V Hughes (editors). 1897 and 1913. Early English Harmony from the 10th to the 15th Century. 2 vols. London: The Plainsong and Medieval Music Society.
Wooldridge, Harry Ellis, and H V Hughes (editors). 1897 and 1913. Early English Harmony from the 10th to the 15th Century. 2 vols. London: The Plainsong and Medieval Music Society.