J. H. Schröder, „The History of the Erard Piano and Harp in Letters and Documents. 1785–1959. Band 1: Inventions, Business, Composers and Performers. Band 2: Erard Family Correspondence: Hrsg. von Robert Adelson, Alain Roudier, Jenny Nex, Laure Barthel und Michel Foussard“, mf, Bd. 70, Nr. 1, S. 58–59, Dez. 2024.