20511 – SCI Services
3 files | Period: 1951
| File No. | Content | Period |
|---|---|---|
| 20511.1 | Algeria, Austria, Belgium, France, Germany | 1951 |
| 20511.2 | Great Britain, India, Italy, Netherlands, Pakistan, Switzerland | 1951 |
| 20511.3 | Documentation on Services in Swiss regions hit by avalanches | 1951 |