• 19 Music Library (Mills)
• 1 Memorial Library

• 21 Sound Recordings

• 10 Operas
• 2 Alcestis, Queen, consort of Admetus, King of Pherae
• 2 Faust (Legendary character)
• 2 Socrates
• 1 Aaron (Biblical priest)
• 1 Amor de don Perlimplín con Belisa en su jardín
• 1 Antigone (Mythological character)
• 1 Ariadne (Greek mythology)
• 1 Athaliah, Queen of Judah
• 1 Ballets
• 1 Bible. Genesis
• 1 Croesus, King of Lydia, active 560 B.C.-546 B.C
• 1 Danaë (Greek mythology)
• 1 Duchamp, Marcel, 1887-1968
• 1 Euthanasia
• 1 García Lorca, Federico, 1898-1936
• 1 Grünewald, Matthias, active 16th century
• 1 History
• 1 History of Biblical events
• 1 Jesus Christ
• 1 Joseph (Son of Jacob)
• 1 Joyce, James, 1882-1941
• 1 Kircher, Athanasius, 1602-1680
• 1 Moses (Biblical leader)
• 1 Nazi persecution

• 3 Strauss, Richard, 1864-1949
• 2 Euripides
• 2 Fischer-Dieskau, Dietrich, 1925-2012
• 2 Hofmannsthal, Hugo von, 1874-1929
• 2 Koke, Sylvia
• 2 Minato, Niccolò
• 2 Philharmonisches Orchester Erfurt
• 2 RIAS-Kammerchor
• 2 Schweitzer, Anton, 1735-1787
• 2 Targler, Ursula
• 2 Telemann, Georg Philipp, 1681-1767
• 2 Theater Erfurt. Chor
• 2 Voigt, Christian, 1969-
• 2 Wehr, Stephan E.
• 2 Wendel, Christoph Johannes
• 2 Wieland, Christoph Martin, 1733-1813
• 1 Ahrens, Hans Georg
• 1 Akademie für Alte Musik Berlin
• 1 Albanese, Licia
• 1 Albrecht, Gerd, 1935-2014
• 1 Andriessen, Louis, 1939-2021
• 1 Antonicelli, Giuseppe
• 1 BBC Singers
• 1 BBC Symphony Orchestra
• 1 Bartmiński, Rafał

• 3 Italian
• 2 English
• 1 Dutch
• 1 French
• 1 Multiple languages
• 1 Spanish

• 1 Germany

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