David Carrson Berry The Meaning(s) of "without". An Exploration of Liszt's Bagatelle ohne Tonart in: 19th Century Music, Bd. 27, 2004, S. 230–262
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