Bertrand Ott Marie Jaëll An independent pianist and pedagogue, or a disciple of Lizst? in: Liszt Society Journal, Bd. 35, 2010, S. 42–65
Bertrand Ott Lisztian Keyboard Energy. Liszt et la pédagogie du piano. An essay on the pianism of Franz Liszt Lewiston 1992
Bertrand Ott Liszt's Pianism, or Transcendental Creativity in: Liszt Society Journal, Bd. 16, 1991, S. 14–22
Robert Stevenson Liszt's "Favorite" California Pupil. Hugo Mansfeldt (1844–1932). Part I in: JALS, Bd. 21, 1987, S. 42–58
Robert Stevenson Liszt's "Favorite" California Pupil. Hugo Mansfeldt (1844–1932). Part II in: JALS, Bd. 22, 1987, S. 27–45
Robert Stevenson Liszt in the Iberian Penisula in: Inter-American Music Review, Bd. 7, Frühling-Sommer 1986, S. 3–22
Robert Stevenson Liszt 's "Favorite" California Pupil. Hugo Mansfeldt (1844–1932) in: Inter-American Music Review, Bd. 7, 1986, S. 33–78