Tezisy dokladov na II Vserossijskoj konferencii po ochrane truda. 20 nojabrja 1921 g
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
RIO VCSPS,
1921.
Moskva : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/E1505F01-B983-4780-9141-5EA2C6F4B9FA |
| Published: | 1921. |
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