<div class="description">
Subjects: Ammonoidea</div>
<div class="fn value">
Haan, W. de (Willem), 1801-1855</div>
<dl><dd><a rel="nofollow" class="external free" href="https://archive.org/details/monographiaeammo00haan">https://archive.org/details/monographiaeammo00haan</a></dd>
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