Edward N. Waters Liszt, Bayreuth's Forgotten Man in: Studia Musicologica Academiae Scientiarum Hungaricae, Bd. 11, 1969, S. 473–480
István Kecskeméti An Early Bartók-Liszt Encounter in: New Hungarian Quarterly, Bd. 9, 1968, S. 206–210
William M. Goode The Late Piano Works of Franz Liszt and Their Influence on Some Aspects of Modern Piano Composition 1965