Charles Leon de Champs as Admiral in 1929.
Flottans porträttsamling, KrA
<cite class="book" style="font-style:normal" id="Reference-Ahlström-2006">Ahlström, Arne (2006)    (in swedish)  <i> <a rel="nofollow" class="external text" href="http://www.fht.nu/Dokument/Marinen/marin_publ_dok_svenska_marina_kustradiostationer.pdf">Svenska marina kustradiostationer: en historik 1900-2000</a></i>, <a href="https://en.wikipedia.org/wiki/en:Uppsala" class="extiw" title="w:en:Uppsala"><span title="city in Uppsala County, Sweden">Uppsala</span></a>:  Columna, p. 151  <small><a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN</a>:  <a href="//commons.wikimedia.org/wiki/Special:BookSources/91-7942-081-8" title="Special:BookSources/91-7942-081-8">91-7942-081-8</a>. </small></cite>