• 4 Books
• 1 Music Scores

• 2 Composers
• 2 Correspondence
• 1 Concertos (Piano trio)
• 1 Music
• 1 Schubert, Franz, 1797-1828
• 1 Songs with piano

• 2 Brandenburg, Sieghard
• 1 Beethoven-Haus (Bonn, Germany)
• 1 British Library. Additional 41630
• 1 Casella, Alfredo, 1883-1947
• 1 Della Croce, Luigi, 1927-
• 1 Di Fede, Nicolò
• 1 Schubert, Franz, 1797-1828

• 2 French
• 2 German
• 1 English
• 1 Japanese
• 1 Spanish

• 1 Austria

• 2 Correspondence
• 2 Facsimiles
• 2 Manuscripts
• 1 Parts (solo)

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