• 4 Music Library (Mills)

• 2 Sound Recordings
• 1 Books
• 1 Music Scores

• 1 Compact Discs
• 1 Vinyl Records

• 3 Brecht, Bertolt, 1898-1956
• 1 Brückner-Rüggeberg, Wilhelm
• 1 Feingold, Michael
• 1 Hinton, Stephen
• 1 Juchem, Elmar
• 1 Kimbrough, S. T., 1936-
• 1 Koenig Ensemble
• 1 Kurt Weill Foundation for Music
• 1 Latham-Koenig, Jan, 1953-
• 1 Lenya, Lotte
• 1 Ploog, Karin
• 1 Pro Musica Köln
• 1 Raffeiner, Walter
• 1 Ramm, Gabriele

• 4 German
• 1 English

• 2 Librettos
• 1 Excerpts
• 1 Musicals
• 1 Scores

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