<i>Willem de Vlamingh's ships, with black swans, at the entrance to the Swan River, Western Australia</i>, coloured engraving, derived from an earlier drawing (now lost) from the de Vlamingh expeditions of 1696–97.<i></i>
<a href="https://en.wikipedia.org/wiki/Johannes_van_Keulen" class="extiw" title="en:Johannes van Keulen">Johannes van Keulen</a>
<a rel="nofollow" class="external text" href="http://catalogue.nla.gov.au/Record/213721?lookfor=Keulen%20swan&amp;offset=1&amp;max=3">Het Eyland Amsterdam</a>, held at the <a href="https://en.wikipedia.org/wiki/National_Library_of_Australia" class="extiw" title="en:National Library of Australia">National Library of Australia</a>