1er congrès : 28, 29, 30 août 1919
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| Institution: | CEDIAS-Musée social |
| Format: | TEXT |
| Published: |
[s.n.] ([S.l.])
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| Subjects: | |
| Online Access: | http://hdl.handle.net/11160/AAEB8A75-2BDA-4DAB-869C-83D4AFE276BF |
| Published: | [1919] |
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