| Identifier | Title | Date | Event type | Other information | |
|---|---|---|---|---|---|
| KBA 9325.460 | 26th Oct 1925 | Creation | digitized | prolonged period of protection | ||
| KBA 9325.85 | 18th Mar 1925 | Creation | digitized | prolonged period of protection | ||
| KBA 9325.86 | 18th Mar 1925 | Creation | digitized | prolonged period of protection | ||
| KBA 9326.456 | 27th Oct 1926 | Creation | digitized | prolonged period of protection | ||
| KBA 9327.96 | 28th Feb 1927 | Creation | digitized | prolonged period of protection | ||
| KBA 9366.513 | 7th May 1966 | Creation | digitized | prolonged period of protection | ||
| KBA 9368.201 | 10th Apr 1968 | Creation | digitized | prolonged period of protection |