Tiefland (opera)
[bg] В долината
[ca] Tiefland
[cs] Tiefland (opera)
[de] Tiefland (Oper)
[el] Στον κάμπο
[es] Tiefland
[fr] Tiefland
[gl] Tiefland
[pl] Niziny (opera)
[sv] Låglandet