A community site for weavers of all kinds             
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http://weavolution.com/

A site with many useful links:
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Crafting with your Hands: All About Weaving
www.wristbandexpress.com/content/all-about-weaving-and-spinning/

Tutorials

http://the-loom-merchant.com/InkleWeaving101Basics.aspx

http://www.heatherspages.net/images/weaving/Beginning%20Alternating%20Pick%20Up%20for%20Inkle.pdf

http://www.allfiberarts.com/library/aa97/aa123097.htm

http://www.cs.vassar.edu/~capriest/dfdt.html

http://www.craftpassion.com/2009/05/recycle-tutorial-making-of-t-shirt-yarn.html

Stores

Yarn and accessories stores

http://cdwplus.com/  - metal buckles and rings

http://www.iloveyarn.com/cotton/cotton.html

http://www.rmyarns.com/

http://www.hhhenterprises.com/index.php?cPath=31

http://www.baronbelts.com/display/buckles.html

Be sure to check out your local Craigslist for people selling their stashes.  Knitters and crocheters go through more yarn per project and frequently end up with entire skeins they can't use.  It's worthwhile to check in resale shops as well.

Patterns

For tablet weaving
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http://www.cs.vassar.edu/~capriest/birkarcp.html

http://www.cs.vassar.edu/~capriest/3recipes.html

For supplementary weft

http://backstrapweaving.wordpress.com/pattern-charts-double-weave-mug-rugs/pattern-charts-supplementary-weft-patterning/

For pickup weaving

http://curiousweaver.id.au/archives/category/inkle-weaving

Tapestry

Go to the artists pages for some incredible and beautiful tapestries
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http://americantapestryalliance.org/