Chapter 3: Federalism and Intergovernmental Relations
Governing Magazine, published by Congressional Quarterly, Inc., maintains a list of useful links related to state and local government concerns.
The Urban Institute has been monitoring changes in federal social and health policies that involve states and localities.
You can find information on exploring the nature and future of federalism in the United States, Canada, and Mexico here.
Some people advocate the application of the federalist model to international relations. See the web site of the World Federalist Association for more information.