1
by Gagel, Curt
Published 1890
...Beiträge zur Naturkunde Preussens...
Book
3
by Speiser, P.
Published 1903
...Beiträge zur Naturkunde Preussens...
Book
4
by Jentzsch, Alfred
Published 1900
...Beiträge zur Naturkunde Preussens...
Book
5
by Lentz, ..
Published 1879
...Beiträge zur Naturkunde Preussens...
Book