Tips on bycycle riding for lower limb amputees 
Specialized section of Amputee Web Site. Provides invaluable tips for the lower limb amputee considering the use of a bicycle for any reason.
http://amputee-online.com/amputee/onyerbike.htmlParalympic Cycling 
Introduction, records, results, and rankings pertaining to international paralympic cycling competitors. Almost all information is available in the form of PDF documents.
http://www.paralympic.org/release/Summer_Sports/Cycling/About_the_sport/Classification/index.html
Sporting Wheelies and Disabled Association - Cycling 
Australian site that introduces people with disabilities to the world of cycling. Contacts, local venues and equipment requests are included.
http://www.sportingwheelies.org.au/page.htm?ID=68
USABA Events Calendar: Cycling 
Events calendar for cycling provided by the United States Association of Blind Athletes (USABA).
http://www.usaba.org/Pages/sportsevents/cycling.html
Dory Selinger 
Official site provides profile, racing history, photos, news, videos, and sponsors for this Paralympic cyclist from the US.
http://www.doryselinger.com/
United States Deaf Cycling Association (USDCA) 
Provides support, education, and awareness for deaf cyclists. Features such items as an events calendar, membership information, photo gallery, and affiliated cycling club listing.
http://www.usdeafcycling.org/