- Operas--Scores (9)
- Operas--Vocal scores with piano (9)
- Operas--Excerpts (6)
- Overtures--Scores (3)
- Songs (High voice) with piano (3)
- Wesendonk, Mathilde, 1828-1902--Musical settings (3)
- Liszt, Franz, 1811-1886--Correspondence (2)
- Opera--Production and direction (2)
- Operas (2)
- Operas--Excerpts--Scores (2)
- Operas--Excerpts--Vocal scores with piano (2)
- Overtures (2)
- Solti, Georg, Sir, 1912- (2)
- Wagner, Richard, 1813-1883 (2)
- Wagner, Richard, 1813-1883--Correspondence (2)
- Wagner, Richard, 1813-1883--Ring des Nibelungen. Götterdämmerung (2)
- Composers--Germany--Correspondence (1)
- Nietzsche, Friedrich Wilhelm, 1844-1900 (1)
- Operas--Librettos (1)
- Oratorios--Excerpts--Vocal scores with piano (1)
- Ouvertures--Scores (1)
- Philosophers--Germany--Correspondence (1)
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- Symphonies--Excerpts (1)
- Toscanini, Arturo, 1867-1957 (1)
- Wagner, Richard, 1813-1883--Thematic catalogs (1)
- Wagner, Richard, 1813-1883. Ring des Nibelungen. Rheingold (1)
- no value (24)