Philip K. Wittman Field Research
- Operation Canopeé in tropical rain forest canopy of Paracou, French Guiana in November 1996. Photographs of the blimp and inflatable canopy raft.
- http://www.canopyquest.com/Field/PKWFGuiana.html

Exn.ca: Building a Better Treehouse
- Brahm Rosensweig reports on the raft used for 10 years and plans to make an improved version, with photographs.
- http://www.exn.ca/Stories/1999/03/26/55.asp