Richard Wagners unvertonte Opern - Zegowitz, Bernd (Lang, 2000)
Zugl.: Heidelberg, Univ., Diss., 1999
Keywords: Hochschulschrift; Wagner; Richard; 1813-1883 – Notebooks; sketchbooks; etc; Wagner; Richard; Libretto's; Operas – Analysis; appreciation; Projekt; Libretto; Oper; Vertonung