Jorgen B. Thomsen

The Large Macaws: Their Care, Breeding, and Conservation

Joanne Abramson, Brian L. Speer, Jorgen B. Thomsen, 1996 .

Biodiversity Hotspots and Major Tropical Wilderness Areas: Approaches to Setting Conservation Priorities

Jorgen B. Thomsen, G. A. D. da Fonseca, R. Mittermeier, 1998 .