Robert Siegenthaler
| Institution: | Schweizerisches Sozialarchiv |
|---|---|
| Format: | IMAGE |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10848/41647B68-8D14-4052-B110-B7A30B577F28 |
| Institution: | Schweizerisches Sozialarchiv |
|---|---|
| Format: | IMAGE |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10848/41647B68-8D14-4052-B110-B7A30B577F28 |