I consider only feature films (from 60 minutes).
Missing from this site:
11. The road to Live (1931, Nikolai Ekk)
12. The boule de suif (1934, Mikhail Romm)
13. The loss of Feeling (1935, Aleksandr Andriyevsky)
14. The New Gulliver (1935, Aleksandr Ptushko)
15. The woman making miracles (1936, Aleksandr Medvedkin)
16. The Space Voyage (1936, Vasili Zhuravlyov)
17. A Serious Young Man (1936, Abram Room)
18. The Thirteen (1936, Mikhail Romm)
19. The Last Night (1936, Yuli Raizman)
20. The Country Bride (1937, Ivan Pyryev)
21. Great Citizen (1937, Fridrikh Ermler)