| Identifier | Title | Date | Event type | Other information | |
|---|---|---|---|---|---|
| KBA 9311.152 | 4th Jun 1911 | Creation | digitized | ||
| KBA 9348.1051 | 3rd Dec 1948 | Creation | digitized | Protection period until: 2032 | ||
| KBA 9362.269 | 23rd Mar 1962 | Creation | digitized | Protection period until: 2046 |