| Identifier | Title | Date | Level of description | Other information | |
|---|---|---|---|---|---|
| EBA 2/283 | Bericht über die geologischen Verhältnisse im Versuchsstollen Trübbach. Basel, den 15. Juli 1931 | 1931 | File: 1 file | Standard period of protection | |
| EBA 2/285 | Erzhorizont | 1953 | File: 1 file | Standard period of protection | |
| EBA 2/286 | Erzhorizontes | 1953 | File: 1 file | Standard period of protection | |
| EBA 2/287 | Studienreise Schweden und Norwegen | 1953 | File: 1 file | Standard period of protection | |
| GFA 9/3.83 | GF intern, Nr. 83, April 1998 | 1998 | File: 1 file | digitized | prolonged period of protection | |
| GFA 9/3.83.1 | GF intern, Nr. 83, April 1998 | 1998 | File: 1 file digital born | digitized | public |