Invalid expression:%5Be%E4%5Dh%25n{1
Adelung-1793: Oper, die · Helden-Oper, die
Brockhaus-1809: Die Oper
Brockhaus-1837: Oper
Brockhaus-1911: Oper
DamenConvLex-1834: Oper
Goetzinger-1885: Oper
Herder-1854: Oper
Meyers-1905: Komische Oper
Pierer-1857: Oper
Sulzer-1771: Oper; Opera