Edited, revised and amended from the original English manuscript and the German editions of H. Deiters and H. Riemann, concluded, and all the documents newly translated by H. E. Krehbiel. New York, The Beethoven Association, 1921. 3 voll. in 8, pp. XVIII-372-(VIII), 416, VIII-350, musica notata n.t., tavv. 4 f.t., br. (copert. fitt.). Tracce di fango ai margini e qq. altra menda. Importante opera.