Nicolaus Copernicus: De revolutionibus orbium coelestium, 1543. Title page
<bdi><a href="https://en.wikipedia.org/wiki/en:Nicolaus_Copernicus" class="extiw" title="w:en:Nicolaus Copernicus"><span title="Polish mathematician and astronomer (1473–1543)">Nicolaus Copernicus</span></a>
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