Bicycle Helmet Safety Institute: Teaching your Child to Ride a Bicycle
bhsi.org
A BHSI article with a focus on safety.
Bicycle Science - Losethetrainingwheels.org
losethetrainingwheels.org
Describes phases of learning to ride a bike, issues of stability, and references for further reading.
Bicycling for Beginners: Learning to Ride
homepage.ntlworld.com
Advice for beginners on starting to ride a bike.
BikeSense
bikesense.bc.ca
The British Columbia Bicycle Operator's Manual, this globally applicable manual gives practical tips on how to ride your bike in urban environments.
Teaching Kids to Ride
sheldonbrown.com
Article by Sheldon Brown that discusses the finer points of teaching children how to ride a bicycle.