Citation: The Very Rev. Dom Anselm Hughes, O.s.b, The origins of harmony: with special reference to an old St. Andrews ms., Musical quarterly , XXIV(2), 1938, pp. 176-185
Citation: The Very Rev. Dom Anselm Hughes, O.s.b, Background to the Roy Henry Music: an essay in reconstruction, Musical quarterly , XXVII(2), 1941, pp. 205-210