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