Collection Rudolf Schock Opern-Welterfolge - Schock, Rudolf 1915-1986; Lederer, Felix 1877-1957; Beilke, Irma 1904-1989; Schüchter, Wilhelm 1911-1974; Ludwig, Leopold 1908-1979; Löwlein, Hans 1909-1992; Rothenberger, Anneliese 1919-2010; Thurn, Max 1897-1969; Gaebel, Kurt; Blatter, Johanna 1902-1965; Martin, Walter 1911-1964; Hollreiser, Heinrich 1913-2006; et al. (Fonoteam, 1985)