Malou Haine Franz Servais. Illegitimate son of Franz Liszt? in: Liszt Society Journal, Bd. 22, 1997, S. 14–20
Dudley Newton From "The Musical World" (iii). A Selection compiled by Dudley Newton in: Liszt Society Journal, Bd. 11, 1986, S. 52–55
Dudley Newton From "The Musical World" (ii). A Selection compiled by Dudley Newton in: Liszt Society Journal, Bd. 10, 1985, S. 8–11