Le pose de la première pierre :
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Bureau International du Travail,
1923
Genève : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/69D80F73-D46F-414C-B21A-68D12EE18192 |
| Published: | 1923 |
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