Kildeinformasjon: NTBs krigsarkiv, Digitaliserte dokumenter (RA/PA-1209/Ud/L0073/0004), 0-, oppb: Riksarkivet.
<p>Merknader: Blücher senket ved Oscarsborg.
Permanent sidelenke: arkivverket.no/<a rel="nofollow" class="external free" href="urn:db_read/db/33989/2/">URN:db_read/db/33989/2/</a>
</p>
Permanent bildelenke: www.arkivverket.no/<a rel="nofollow" class="external free" href="urn:NBN:no-a1450-db10081001280002.jpg">URN:NBN:no-a1450-db10081001280002.jpg</a>
Riksarkivet (National Archives of Norway)
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/national_archives_of_norway/5655127586/">https://www.flickr.com/photos/national_archives_of_norway/5655127586/</a>