David Newmeyer Liszt's "Sonetto 104 del Petrarca". The Romantic Spirit and Voiceleading in: Indiana Theory Review, Bd. 2, 1979, S. 2–22
Lajos Bárdos Ferenc Liszt, the Innovator in: Studia Musicologica Academiae Scientiarum Hungaricae, Bd. 17, 1975, S. 3–38