. After the building was devastated by a fire, only the side wings remained according to the original design.
By Ferdinand Fellner • 1871–72
Wiener Stadttheater, Vienna, Austria (destroyed by fire in 1884). With Ferdinand Fellner the Older. • 1871–75
National Theatre and Opera, Timișoara, Romania (rebuilt after destroyed by fires in 1880 and 1920, respectively). With Ferdinand Fellner the Older.
By Fellner and Helmer Theatres designed by Fellner & Helmer • 1873
Croatian National Theatre in Varaždin • 1874–75 Népszínház, Budapest, Hungary (demolished 1965) • 1881–82
Mahen Theatre in
Brno, Czech Republic, (one of the first theatres in Europe with electrical lighting) • 1881–83 "Stadttheater" in
Liberec, Czech Republic • 1882–83
Szeged National Theatre, Hungary • 1883–85
Croatian National Theatre in
Rijeka, Croatia • 1884–86 Theatre in
Karlovy Vary, Czech Republic • 1884–87
Opera Theater, Odesa, Ukraine • 1885–86 Slovak National
Theatre - Old building (as "Königliches Freistädtisches Theater"), Bratislava, Slovakia, 1886 • 1886–87
Prague State Opera (as "Neues Deutsches Theater"), Prague, Czech Republic • 1887–88
Ronacher, Vienna, Austria (altered after fire) • 1888–89
Volkstheater (previously
Deutsches Volkstheater), Vienna, Austria • 1890–91
Opera House, Zürich, Switzerland • 1891–92
Komische Oper in Berlin, Germany • 1892–93
State Theatre in Salzburg, Austria • 1892–94
Hessisches Staatstheater Wiesbaden, Germany • 1893–95
Tonhalle, Zürich, Switzerland • 1894–95
Croatian National Theatre in Zagreb, Croatia • 1894–96
Iaşi National Theatre, Romania • 1895–96
Vígszínház in Budapest, Hungary • 1895–96
Katona József Theatre, Kecskemet, Hungary • 1896–97
Konzerthaus Ravensburg, Germany • 1898–99
Opernhaus in Graz, Austria • 1898–99
Stadttheater in Berndorf, Austria • 1899–1900
Oradea National Theatre, Oradea, Romania • 1899–1900
Deutsches Schauspielhaus, Hamburg, Germany • 1901–02
Stadttheater Fürth, Germany • 1902
Theater an der Wien, Vienna, Austria (altered 1960–1961) • 1903–04
Wilam Horzyca Theatre,
Toruń, Poland • 1904–05
Kobylianska Drama Theatre in
Chernivtsi, Ukraine • 1904–06
Ivan Vazov National Theatre, Sofia, Bulgaria • 1904–06
Cluj-Napoca National Theatre, Cluj-Napoca, Romania • 1906–07 Theatre in
Jablonec nad Nisou, Czech Republic • 1906–07
Stadttheater Gießen, Germany • 1906–09 Theatre in
Mladá Boleslav, Czech Republic • 1908–09 Stadttheater,
Baden bei Wien, Austria • 1909–10
Stadttheater in Klagenfurt, Austria (expansion 1996-98 by
Günther Domenig) • 1909–10
Adam Mickiewicz Theatre,
Cieszyn, Poland • 1910–13
Konzerthaus, Vienna, Austria • 1911–13
Akademietheater, Vienna, Austria ==Other buildings==