<bdi><a href="https://www.wikidata.org/wiki/Q28322570" class="extiw" title="d:Q28322570">Peter Felix von Sivers</a>
</bdi>
<a rel="nofollow" class="external text" href="https://www.muis.ee/museaalview/1447971">EKM j 190:302 M 657</a>