- Non-profit organization directed at the support and initiation of research and dissemination of information relative to wolverine (Gulo gulo).wolverinefoundation.org
- Wolverine (Gulo gulo) facts, photos and videos.www.thebigzoo.com/Animals/Wolverine.asp
- Biogeography of Gulo gulo (wolverine) ...bss.sfsu.edu/geog/bholzman/courses/Fall00Projects/wolverine.html
