www.bigwalls.net

Wikipedia: Traditional climbing

Wikipedia: List of mountains in Albania

Wikipedia: Lynn Hill

Wikipedia: Free climbing

Wikipedia: Aid climbing

Wikipedia: Rock climbing

Anchor text: Troll Wall, Bigwalls.net

Wikipedia: Hans Christian Doseth

Anchor text: Some information on the routes on Troll Wall

Wikipedia: Troll Wall

Anchor text: bigwalls.net, Grand Voyage

Wikipedia: John Middendorf

Anchor text: www.bigwalls.net, John Middendorf's Big Walls Website

Wikipedia: John Middendorf