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
Eiger claims two more victims - SWI swissinfo.ch
Eiger ascent routes - Photographs and map of the North Face and West Flank ( the normal route ) above Grindelwald in the Bernese Oberlands
AAC Publications - The Eiger, North Face, Odyssee
Historical First Winter Ascent on Eiger North Face's Harlin Route - Gripped Magazine
Siegrist: Eiger North Face is largely exhausted - Alps - Adventure Sports - DW.COM