'Mathis der Maler' and the case Hindemith. Studies on Hindemith's opera libretto in the context of cultural, historical and political climate of the 1930s
M. Kube, 'Mathis der Maler' and the case Hindemith. Studies on Hindemith's opera libretto in the context of cultural, historical and political climate of the 1930s, MUSIKFORSCH, 53(3), 2000, pp. 346-347