USSR shell cases identification

[progress]

Hello, I have five shell cass fom USSR period, but I don't know from what guns are they. Maybe anyone can help me? Thank you!

1. 9 x 49 cm. 1944.


2. 5.7 x 31 cm. 1943.


3. 5.7 x 31 cm. 1939.


4. 5.7 x 31 cm. 1941.


5. 5.7 x 31 cm. 1941.


6. Diameter 13,7cm, lenght - unknow. 1939.