• 6 Music Library (Mills)

• 12 Sound Recordings
• 8 Videos, Slides, Films

• 5 Compact Discs
• 4 DVDs
• 1 VHS Videocassettes

• 13 Operas
• 1 Ring des Nibelungen. Rheingold
• 1 Swan-knight (Legendary character)
• 1 Wagner, Richard, 1813-1883

• 20 Rootering, Jan-Hendrik, 1950-
• 9 Moll, Kurt, 1938-2017
• 9 Morris, James, 1947-
• 8 Svendén, Birgitta
• 7 Jerusalem, Siegfried
• 7 Levine, James, 1943-2021
• 7 Metropolitan Opera (New York, N.Y.). Orchestra
• 7 Norman, Jessye
• 7 Wlaschiha, Ekkehard
• 6 Ludwig, Christa
• 6 Metropolitan Opera (New York, N.Y.). Chorus
• 6 Salminen, Matti
• 6 Weikl, Bernd
• 6 Zednik, Heinz
• 5 Behrens, Hildegard
• 5 Lakes, Gary
• 5 Metropolitan Opera (New York, N.Y.)
• 5 Studer, Cheryl
• 4 Heppner, Ben
• 4 Häggander, Mari Anne
• 4 Levine, James, 1943-
• 3 Battle, Kathleen
• 3 Bayerischer Rundfunk. Orchester
• 3 Goldberg, Reiner

• 18 German
• 1 English
• 1 Undetermined

Limit year range