Ключи счастья
- annos singulos: 1913
- Patriam: Russia
- genus: Drama
- Studio: Thiemann & Reinhardt
- keyword: love triangle, love affair, lost film, independent woman
- Director: Vladimir Gardin, Yakov Protazanov
- cast: Olga Preobrazhenskaya, Владимир Максимов, M. Trojanov, Alexandre Volkoff, Vladimir Gardin, Vladimir Shaternikov
