Trango Russian Aid System Review  
   Review from GearReview.com.
   http://www.gearreview.com/russian_aid.asp

Bigwall.com  
   Topos, beta, trip reports and photos from walls in Yosemite, the Sierra Nevada, Zion, Fisher Towers and Black Canyon of the Gunnison. Plus the Aid Climbing Guide to Southern California.
   http://www.bigwall.com/

Climbing Magazine: Big Walls  
   Article by Pete Takeda on how to get started.
   http://www.climbing.com/Pages/rockcraft/Bigwall/rockcraft-bigwall01.html

TradGirl Climbing FAQ: Aid Climbing  
   Frequently asked questions about aid climbing with answers compiled from rec.climbing.
   http://www.tradgirl.com/climbing_faq/aid_climbing.htm

Big Wall Climbing  
   Trip reports. Ratings explained. Equipment list. Photos. Route suggestions.
   http://www.bigwalls.net/climb/index.html

SuperTopo: The Road to The Nose  
   Sells Chris McNamara's fourteen climb program for building skills, speed, endurance and comfort with big wall exposure. Includes topos.
   http://www.supertopo.com/packs/road2nose.html

Hints For Big-Wall Climbing in Yosemite  
   Tips for beginners, climbing in a three person team, soloing, hauling, and improving speed compiled by Q. Tuan Luong.
   http://www.terragalleria.com/mountain/info/yosemite/big-walls-tips.html

Aid Climbing in a Three Person Team  
   Article by Ken Younge and Tuan Luong giving personal experiences, tips, and techniques.
   http://www.terragalleria.com/mountain/info/yosemite/zodiac-tuan.html