A picture of king <a href="//commons.wikimedia.org/wiki/Gustav_II_Adolf_of_Sweden" class="mw-redirect" title="Gustav II Adolf of Sweden">Gustav II Adolf</a> receiving a Dutch embassy in the North west tower of the <a href="//commons.wikimedia.org/wiki/Category:Tre_kronor_(castle)" title="Category:Tre kronor (castle)">castle Tre Kronor</a> in <a href="//commons.wikimedia.org/wiki/Stockholm" title="Stockholm">Stockholm</a>.
<a href="//commons.wikimedia.org/wiki/User:D.O.G.A." title="User:D.O.G.A.">User:D.O.G.A.</a>
Scanning date: 4th of January 2009. Cut: 4th of January 2009
<i>Slott och herresäten i Sverige. De kungliga slotten I</i>, Sven T. Kjellberg (head editor), Boo von Malmborg, Lennart Luthander och Bengt G. Söderberg, Allhems Förlag AB, Malmö 1971, page 29.