Autograph letter, 1 p. 9 May, 1926, from the German pianist, a student of Liszt who later counted Wilhelm Furtwangler among his own students. Concerning the 100th anniversary of Beethoven's Death ("Feier des 100. Todestages Beethovens"), sold together with a vintage postcard photograph and a 1921 single sheet recital program. Letter with usual folds, else fine.