Siegfried (opera)
[bg] Зигфрид
[ca] Siegfried (Wagner)
[da] Siegfried (opera)
[de] Siegfried (Oper)
[el] Ζίγκφριντ (όπερα)
[eo] Siegfried (opero)
[es] Sigfrido (ópera)
[eu] Siegfried (opera)
[fa] زیگفرید (اپرا)
[fi] Siegfried (ooppera)