<a href="//commons.wikimedia.org/wiki/Nicolaus_Copernicus" title="Nicolaus Copernicus">Nicolaus Copernicus</a>'s treatise on money, both in German and Latin, as taken from <a href="https://en.wikipedia.org/wiki/Leopold_Prowe" class="extiw" title="w:Leopold Prowe">w:Leopold Prowe</a>'s (1821-1887) <i>Nicolaus Coppernicus</i>, Vol. 2, 1884. In Dvju-format for use in Wikisource
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Nicolaus Copernicus</div>
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