• 14 Books
• 1 Journals, Magazines, Newspapers
• 1 Music Scores
• 1 Sound Recordings

• 1 Compact Discs

• 13 Composers
• 5 Wagner, Richard, 1813-1883
• 3 Brahms, Johannes, 1833-1897
• 2 Bach, Johann Sebastian, 1685-1750
• 2 Music
• 1 Authors, Austrian
• 1 Bayreuther Festspiele
• 1 Criticism and interpretation
• 1 Dance music
• 1 Folk songs
• 1 Hofmannsthal, Hugo von, 1874-1929
• 1 Mendelssohn-Bartholdy, Felix, 1809-1847
• 1 Music publishing
• 1 Opera programs
• 1 Orchestral music
• 1 Performances
• 1 Publishers' catalogs
• 1 Schott Musik International
• 1 Schumann, Robert, 1810-1856
• 1 Songs, German
• 1 Strauss, Richard, 1864-1949
• 1 Suites (Orchestra)

• 2 Gutman, Robert W
• 2 Niemann, Walter, 1876-1953
• 1 Bayreuther Festspiele
• 1 Bell, Clara, 1834-1927
• 1 Chissell, Joan
• 1 Curtiss Blake Collection
• 1 Deutsches Volksliedarchiv
• 1 Fuller-Maitland, J. A. (John Alexander), 1856-1936
• 1 Geiringer, Karl, 1899-1989
• 1 Grew, Eva
• 1 Grew, Sydney, 1879-1946
• 1 Hammelmann, Hanns A.
• 1 Hofmannsthal, Hugo von, 1874-1929
• 1 Jacobs, Robert Louis
• 1 Kneip, Gustav
• 1 Marek, George R. (George Richard), 1902-1987
• 1 Mozart, Wolfgang Amadeus, 1756-1791
• 1 Newman, Ernest, 1868-1959
• 1 Orpheus Chamber Orchestra
• 1 Osers, Ewald, 1917-2011
• 1 Sackville-West, Edward, 1901-1965
• 1 Schott Musik International
• 1 Schönzeler, Hans-Hubert
• 1 Spitta, Philipp, 1841-1894

• 15 English
• 2 German
• 1 French
• 1 No linguistic content

• 1 Austria
• 1 Bayreuth
• 1 Mainz

• 11 Biography
• 1 Bibliography
• 1 Catalogs
• 1 Correspondence
• 1 Country-dances (Music)
• 1 Periodicals

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