<bdi><a href="https://www.wikidata.org/wiki/Q3155327" class="extiw" title="d:Q3155327"><span title="French engraver (1743-1806)">Isidore Stanislas Helman</span></a>
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<a rel="nofollow" class="external text" href="https://www.e-rara.ch/zut/content/pageview/9219345">ETH Zurich</a>