Bibliography of Colorado Rock Climbs and Ice Climbs, 1863-1976 by Joseph D. Kramarsic (1983)

Comprehensive reference (or as close to comprehensive as you're likely to get). Price is high because I'm perfectly happy keeping this for my own library. Compiled from:

• Alpine Journal
• AAJ
• Appalachia
• Ascent
• CAJ
• Chicago Mountaineering Club newsletter
• Climbing Magazine
• Harvard Mountaineering
• Iowa Mountaineering Journal
• Mazama
• Mountain Magazine
• The Mountaineer
• The Mountaineering Journal
• Off Belay
• Sierra Club Bulletin
• Summit Magazine
• Trail and Timberline

258 pages, bibliography organized alphabetically by climbing area names.