Here are links to other relevant websites of note.

• Tagari - Bill Mollison
• The Permaculture Research Institute of Australia - Geoff Lawton
• Midwest Permaculture
• Permaculture Institute
• Permaculture entry on wikipeda
• Permaculture Activist - Nursery Sources
• Rainwater Harvesting for Drylands and Beyond by Brad Lancaster
• Permaculture Principals - David Holmgren
• Plants For a Future
• Occidental Arts & Ecology Center
• Sustainable Architecture, Building and Culture
• Journey to Forever - VITA - Agrodok - FAO - Classic Manuals
• Tiny House Design
• John T. Lyle Center for Regenerative Studies
• Boulder Outdoor Survival School
• Raintree Nursery
• One Green World
• Baker Creek Heirloom Seeds
• Fungi Perfecti
• Richters Herb Specialists
• Fedco Co-op Garden Supplies
• Bountiful Gardens
• Johnny's Selected Seeds
• Oikos Tree Crops
• Peaceful Valley Farm Supply
• USDA Plant Database
• Slow Food USA
• Seeds of Change - Permaculture
• David Holmgren's Permaculture Principals
• Permaculture Television Collective
• Urban Permaculture Alliance
• Green Home Building
• The Permaculture Research Institute of Austrailia