Books
Tragastch
An Encyclopedia of the Motorcycle by Peter Henshaw
Classic British Motorcycles Of Over 500cc by Bob Currie
Periodicals
The Motor Cycle, Motor Cycling, Classic Motorcycle and many others
More about these magazines at Classic
Motorcycle Memorabilia
Internet
Club Ydral
JLB-Créations
has been a very fruitful source of information about French motorcycles.
motorbike-search-engine.co.uk
has been helpful with data on many antique machines.
And of course Google and Wikipedia.
There is an exhaustive list of the sites visited during research at
Bikelinks
Contributors
Jonathon Hayt of Tucson, Arizona, has sent very useful information
on sidecar manufacturers. emnjonh<at>comcast.net
Many articles have been contributed by Hartmut
Schouwer
Images
Images have been supplied by motorcycle enthusiasts and professionals
- dealers, importers, auctioneers, manufacturers, artists, photographers,
clubs and restorers including:
Aprilia.com.au
Staintune Exhausts
The National Motorcycle Museum of Australia
Wanaka Toy & Transport Museum, New Zealand
Oldtimersweb.be
Kruse International
The Allen Museum of Boston
H & H Classic Auctions UK
motos-anglaises.com
LegendsoftheMotorcycle.com
Phil Aynsley
Hessink’s Veilingen
Montanaman
Roger Henderson
Apologies to those who are not yet mentioned here. The list is long.