<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>
</bdi>
<dl><dd><a rel="nofollow" class="external free" href="https://archive.org/details/diekfereuropasn2918kste_0">https://archive.org/details/diekfereuropasn2918kste_0</a></dd>
<dd><a rel="nofollow" class="external free" href="https://archive.org/download/diekfereuropasn2918kste_0/diekfereuropasn2918kste_0.pdf">https://archive.org/download/diekfereuropasn2918kste_0/diekfereuropasn2918kste_0.pdf</a></dd></dl>