<bdi><a href="https://en.wikipedia.org/wiki/en:Anders_Zorn" class="extiw" title="w:en:Anders Zorn"><span title="Swedish painter and engraver (1860-1920)">Anders Zorn</span></a>
</bdi>
Sally Liddell: <i>Sotherby's Art at Auction 1988-89.</i> Sotheby's Publications, London 1989; S. 122. <a href="//commons.wikimedia.org/wiki/Special:BookSources/0-85667-365-X" title="Special:BookSources/0-85667-365-X">ISBN 0-85667-365-X</a>.