For U.S. Trikes and Trolley Associations try these sites: They have heaps of useful links The Railroad Motor Car Page http://www.jps.net/groverc/ The North American Railcar Operator's Association http://www.narcoa.org/ A Primer on the Motor Car Hobby http://www.rrhistorical-2.com/cwrr/Parlor/speeder1/primer.html cheers Robson