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<a href="https://da.wikipedia.org/wiki/Vilhelm_Groth" class="extiw" title="da:Vilhelm Groth"><b>Vilhelm</b> Groth (1842—1899)</a></div>
1. <a rel="nofollow" class="external text" href="https://sites.google.com/site/maleriermm/">sites.google.com</a><br>2. <a rel="nofollow" class="external text" href="http://www.arcadja.com/auctions/de/private/groth_vilhelm_georg/kunstwerken/12100/0/">Bruun Rasmussen via ARCADJA auction results</a>