The Sentinel (short story)
[ca] The Sentinel
[cs] Hlídka (Arthur C. Clarke)
[de] The Sentinel (Kurzgeschichte)
[es] El centinela
[fa] نگهبان (داستان کوتاه)
[fr] La Sentinelle (Clarke)
[it] La sentinella (racconto)
[oc] La Sentinèla (C. Clarke)
[pt] The Sentinel
[ru] Часовой (рассказ)