<bdi><a href="https://en.wikipedia.org/wiki/en:Sergei_Vinogradov_(painter)" class="extiw" title="w:en:Sergei Vinogradov (painter)"><span title="Russian painter (1869-1938)">Sergey Vinogradov</span></a>
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<a rel="nofollow" class="external text" href="http://www.sothebys.com/en/auctions/ecatalogue/2011/important-russian-art-/lot.6.lotnum.html">Sotheby's, London, 28 November 2011, lot 6</a>