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.
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ID:	826927Click image for larger version. 

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ID:	826928

2. 5.7 x 31 cm. 1943.
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ID:	826929Click image for larger version. 

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ID:	826930

3. 5.7 x 31 cm. 1939.
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ID:	826931

4. 5.7 x 31 cm. 1941.
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ID:	826933

5. 5.7 x 31 cm. 1941.
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ID:	826934

6. Diameter 13,7cm, lenght - unknow. 1939.
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ID:	826943