Helmer, Oskar. . Pittermann, Bruno
| Institution: | International Institute of Social History |
|---|---|
| Format: | IMAGE |
| Published: |
1959
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/F1519C71-3A06-4B70-92BC-0A270F56DD28 |
| Institution: | International Institute of Social History |
|---|---|
| Format: | IMAGE |
| Published: |
1959
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/F1519C71-3A06-4B70-92BC-0A270F56DD28 |