Autograph letter from the great pianist and influential pedagogue, himself a Czerny pupil and later the primary teacher of Paderewski, Gabrilowitsch, Schnabel and many others! A warm and enthusiastic letter of recommendation for his student, Agnes Hope Pillsbury, 1 page, 20 June, 1907. Usual folds, otherwise in very good condition. Sold together with an original Charles Skolik of Viena cabinet photograph.