Totengräber von Vossenack (German). willi-menzel.de / Willi Menzel (2021-11-16). Retrieved on 2021-11-26.
web.archives.org

Steffen Kopetzky (2019-10-31). Das Wunder vom Hürtgenwald (German). domradio.de / Bildungswerk der Erzdiözese Köln e.V.. Retrieved on 2019-11-14.
web.archives.org

Steffen Kopetzky – Propaganda (German). literaturreich.de / Petra Reich (2020-01-04). Retrieved on 2020-01-09.
web.archives.org

Shahan Russell (2017-06-20). This German Officer Sacrificed His Life In A Minefield To Save An American Soldier (English). warhistoryonline.com. Retrieved on 2017-06-23.
web.archives.org

• 2017-07-11: another path, web.archive.org
• 2017-12-17: New version: The German Officer Who Sacrificed His Life In A Minefield To Save An American Soldier, web.archive.org
• 2018-01-30: New version: The Heroic German Officer Who Gave His Life Trying to Save an American in a Minefield, web.archive.org
• 2018-03-12: New version: The German Officer Who Sacrificed His Life In A Minefield To Save An American Soldier, web.archive.org
• 2018-05-10: Copy on forosperu.net in Spanish, web.archive.org

tomtom. Paul-Boesch-Weg (Hürtgenwald) (German). ich-geh-wandern.de / Wanderatlas Verlag GmbH. Retrieved on 2017-05-03.
image page, web.archives.org

Erinnerung an die Bildhauerin Annemarie Suckow von Heydendorff (German) (2018-03-21). Retrieved on 2018-03-21.
Usage as teaser image on homepage, web.archives.org

Mahnmal Windhund Division Vossenack (German). mahnmal-windhund-division-vossenack.de / Förderverein "Windhunde mahnen zum Frieden" e. V.. Retrieved on 2015-01-28.
Name and license on the imprint page, web.archives.org

• 2018-05-11: new path, web.archive.org, imprint new path, web.archive.org