OCLC 87±/32. • Lockwood, Lewis (2003). Beethoven: The Musk And The Life.W W. W. Norton. ISBN 978-0-393:32638- 3. • Lorenz, Michael (2011). "Die 'Enttarnte Elise'. Elisabeth Rockels kurze Karriere als Beethovens Bonner Beethoven-Studien (in German) 9:169-190. • Solomon, Maynard (2000. Beethoven (2nd revised e