<div class="description">
Subjects: Carl Heinrich Georg von Heyden († 1866-01-07)</div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Ernst_Gustav_Kraatz" class="extiw" title="w:en:Ernst Gustav Kraatz"><span title="German entomologist (1831-1909)">Ernst Gustav Kraatz</span></a>
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Internet Archive identifier