Adventure on the Eiger North Face: A New Route by Schupbach & Von Kanel » Explorersweb
Eiger North Face topo, Climber's Eiger guidebook
Eyewitness to horror on the Eiger: I trained my telescope on the notorious 'Murder Wall'...was that a body I could see falling and twisting through the air? | Daily Mail Online
First winter Alpine-style ascent of Harlin Route on Eiger North Face | Climber Magazine