UKC Articles - The Eiger Nordwand Revealed: Rainer Rettner Interview
Toni Kurz - Wikipedia
The North Face of the Eiger – aircrashsites.co.uk
The body of Toni Kurz hangs mutely off the North face of the Eiger after his superhuman but ultimately doomed attempt to lower himself to safety after the deaths of his three
Watch The Beckoning Silence: The North Face Of The Eiger Documentary | MountainJourney.com