- Erik's Treehouses
- Page http://www.laading.net/erik/treehouse/index.htm
- Treehouse projects in France. All kids are fascinated by treehouses, up there, hosted by a living creature, safe and cosy as within a hand. The dream also often survives in adults.
- The Treehouse Guide
- Page http://www.thetreehouseguide.com/
- Pictures and description of a vertiginous treehouse project by Patrick Fulton. Building advice, designs, book reviews, and examples of other projects.