William Kinderman, Beethoven, Oxford : Oxford University Press, 2009, ISBN 978-0-19-532836-3 Rita Steblin: „A dear, enchanting girl who loves me and whom I love“: New Facts about Beethoven’s Beloved Piano Pupil Julie Guicciardi, in: Bonner Beethoven-Studien, Bandxa08 (2009), S.xa089–152.