R. Larry Todd Strauss before Liszt and Wagner. Some Observations in: Richard Strauss. New Perspectives on the Composer and His Work, herausgegeben von Bryan Gilliam, Durham, London 1992, S. 3–40
R. Larry Todd The "Unwelcome Guest" Regaled. Franz Liszt and the Augmented Triad in: 19th Century Music, Bd. 12, 1989, S. 93–115
Dudley Newton From "The Musical World" (iii). A Selection compiled by Dudley Newton in: Liszt Society Journal, Bd. 11, 1986, S. 52–55