# Secret Beyond the Door

> 1947 film by Fritz Lang

**Wikidata**: [Q1810167](https://www.wikidata.org/wiki/Q1810167)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Secret_Beyond_the_Door)  
**Source**: https://4ort.xyz/entity/secret-beyond-the-door


## References

1. [Source](http://www.imdb.com/title/tt0040766/)
2. [Source](http://www.cinematografo.it/cinedatabase/film/dietro-la-porta-chiusa/6714/)
3. [Source](http://www.allocine.fr/film/fichefilm_gen_cfilm=2771.html)
4. [Source](http://www.filmaffinity.com/es/film868865.html)
5. Freebase Data Dumps
6. [Source](http://www.imdb.com/title/tt0040766/fullcredits)
7. Česko-Slovenská filmová databáze
8. Secret Beyond the Door. Rotten Tomatoes
9. [IMDb](https://www.imdb.com/title/tt0040766/releaseinfo/)
10. [IMDb](https://www.imdb.com/title/tt0040766/technical/)
11. Kinopoisk
12. List of film licenses issued from 1945 to 2020
13. [Source](https://www.cnc.fr/professionnels/visas-et-classification/7624)
14. mymovies.it
15. The Movie Database
16. [Source](https://www.acmi.net.au/works/88585)
17. Trakt.tv
18. FilmVandaag.nl