Here are a few links that some people may find interesting or useful. Please feel free to suggest links.
OrKIDStra, the Leading Note Foundation – Ottawa, Canada
On-Line Playing Resources
Guide to buying a violin from violinist.com
Wiki University, Violin 101 – for the beginner
On-Line Making Resources
Davide Sora’s You Tube Videos – Award winning making technique!
Tools & Supplies
Atlantic Violin Supplies – Great prices
Lemuel Violins (Formerly Luscombe Violins) – Wide selection
Dictum (Germany) – Large selection
Diefenbacher Tools (US) – Great tool selection
GEWA (UK) – I have not personally used them
Luthiers Mercantile International (US) – Mainly guitar focused
Stewart McDonald (US) – Mainly guitar focused
David T. Van Zandt also has a good list of supply links on his website here.
Canadian Wood Suppliers
North American Violin Making Associations
Catgut Acoustical Society – Joined the Violin Society of America in 2004
Canadian Encyclopedia Article on Violin Making – includes historical information on making in Canada and descriptions of prominent makers over the years.