Allan Keiler Liszt and Beethoven. The Creation of a Personal Myth in: 19th Century Music, Bd. 12, 1988-1989, S. 116–131
Andrew Bonner Liszt's "Les Préludes" and "Les Quatre Élémens". A Reinvestigation in: 19th Century Music, Bd. 10, 1986, S. 95–107