Helmer, Oskar. . Keref, Ernst. . Waldbrunner, Karl. . Probst, O. . Pittermann, Bruno. . Schärf, Adolf
| Institution: | International Institute of Social History |
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| Format: | IMAGE |
| Published: |
1955
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/F086966C-DDDA-4FF9-8FD4-6CF2EF32DA1E |
| Published: | 1955 |
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