<bdi><a href="https://en.wikipedia.org/wiki/en:Nicolas_Bertin" class="extiw" title="w:en:Nicolas Bertin"><span title="French painter (1667-1736)">Nicolas Bertin</span></a>
</bdi>
<p>"Catalogue of paintings removed from Poland by the German occupation authorities during the years 1939-1945. 1, Foreign paintings" / comp. Władysław Tomkiewicz ; Ministry of Culture and Art. Warsaw 1950 Editor: Ministry of Culture and Art. 
</p>
See also <a rel="nofollow" class="external text" href="http://kolekcje.mkidn.gov.pl/">Department of National Heritage, Wartime losses</a> (an official webpage of Polish Ministry of Culture, Art and National Heritage)