Porträt deutscher Professor Alexander Backhaus
| Institution: | Archiv der sozialen Demokratie (AdsD) |
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| Format: | IMAGE |
| Published: |
ca. 1920
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| Subjects: | |
| Online Access: | http://hdl.handle.net/11088/DA2F6EC2-DFB1-4FCE-BEFC-283E2CF830D3 |
| Published: | ca. 1920 |
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