4 links
GAO Report on Regulatory Takings
gao.gov
Report to the House Subcommittee on the Constitution, Committee on the Judiciary on the implementation of Executive Order 12630 on property rights.
Oregonians In Action
oia.org
Focusing on the rights of private property owners, with links to news and cases.
Property Rights and Takings
ilsg.org
The Institute for Local Self Government offers a simple introduction to the takings issue, and a number of legal references.
The Property Rights Issue
ncseonline.org
Analysis of regulatory takings issues, disseminated by the Center for the National Institute for the Environment. (1995)