<bdi><a href="https://en.wikipedia.org/wiki/en:Nicaise_de_Keyser" class="extiw" title="w:en:Nicaise de Keyser"><span title="Belgian painter (1813-1887)">Nicaise de Keyser</span></a>
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<a rel="nofollow" class="external text" href="http://balat.kikirpa.be/object/110448">Royal Institute for Cultural Heritage (KIK-IRPA)</a>