Before You Buy Graphite Pencils
- A brief guide to choosing graphite drawing pencils.
- http://drawsketch.about.com/cs/suppliesbooks/bb/bybgraphpencils.htm

Reverse Garbage
- Non-profit co-operative collecting and selling industrial offcuts and discards for creative reuse.
- http://www.reversegarbage.org.au/

Airbrush.com
- News, resources, gallery, and supplies for airbrush artists.
- http://www.airbrush.com/

Draw Art Supplies Ltd
- Distributor of art supplies in New Zealand. Includes extensive remarks on the properties and recommended uses of products.
- http://www.draw-art.co.nz