- en.wikipedia.org Berthold ViertelBerthold Viertel (28 June 1885 – 24 September 1953) was an Austrian screenwriter and film director, known for his work in Germany, the UK and the US. Early career.Bulunamadı: фиртель
- imdb.com name/nm0896826/
- commons.wikimedia.org wiki/Category:Berthold_…
- dic.academic.ru dic.nsf/bse/144938/Фиртель
- http://schokn.ru bertold_virtel
- imslp.org wiki/Category:Viertel,_Berthold
- rottentomatoes.com celebrity/berthold_viertelExplore the filmography of Berthold Viertel on Rotten Tomatoes! Discover ratings, reviews, and more. Click for details!Bulunamadı: фиртель
- literaturepochen.at exil/l5024.pdf
- ru.abcdef.wiki wiki/Berthold_Viertel
Бертольд Фиртель