Michael Ladenburger: Beethoven’s Early Approach to Different Types of Keyboard Instruments in Bonn and Its Lifelong Aftermath, in: Beethoven and the Piano. Philology, Context and Performance Practice, ed. by Leonardo Miucci, Claudio Bacciagaluppi, Daniel Allenbach and Martin Skamletz, Schliengen: Argus 2023 (Musikforschung der Hochschule der Künste Bern, Vol. 16), pp. 323–344, doi.org/10.26045/kp64-6180-014
Volume Beethoven and the Piano