found: Erismann, H. Das fing ja gut an-- , c1984: t.p. (Opernhauses Zürich) p. 7 (Zürcher Opernhaus)
found: LC data base, 2-1-85 (hdg.: Opernhaus Zürich)
found: Deutsches Bühnen Jahrb., 1983/84 (Opernhaus; under Zürich, I./XI. Opernhaus listed as I)
found: Erismann, H. Der Sprung in die Pauke, c1987: p. 78 (Zürcher Stadttheater renamed 1964 to Opernhaus)
found: Stadttheater Opernhaus, c1991.
found: La belle Hélène [VR] 1997: container (Zurich Opera House)
found: Dictionnaire des interprètes, c1995: p. 1171 (Opéra de Zurich (Opernhaus Zürich); founded 1833)
found: Schoeck, O. Lebendig begraben [SR] p1986: label (Oper Zürich)
found: Wikipedia, Sept. 26, 2007 (Zurich Opera; Oper Zürich (Zurich Opera); opera company; gives performances in the Opernhaus Zürich which has been the company's home for fifty years)
found: Its Web site, Sept. 27, 2007 (Opernhaus Zürich AG; Zurich Opera House)
Opernhaus Zürich
