Anna Harwell Celenza The Poet, the Pianist and the Patron. Hans Christian Andersen and Franz Liszt in Carl Alexander's Weimar in: 19th Century Music, Bd. 26, 2003, S. 130–154
Allen Forte Liszt's Experimental Idiom and the Music of the Early Twentieth Century in: 19th Century Music, Bd. 10, 1987, S. 209–228