<bdi><a href="https://en.wikipedia.org/wiki/en:Abraham_de_Verwer" class="extiw" title="w:en:Abraham de Verwer"><span title="Dutch painter (1585-1650)">Abraham de Verwer</span></a>
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1. Sotheby's eCatalogue<br>2. <a rel="nofollow" class="external text" href="http://www.sothebys.com/de/auctions/ecatalogue/2011/old-master-british-paintings-day-sale-l11034/lot.105.html">Sotheby's London, 07 Juli 2011, lot 105</a>