PBS
Wnet: Thirteen: The Supreme Court: Majority Rules
Highlights four Supreme Court cases that dealt with the balance of federal and state power. In each case the majority opinion is given but might not be what is expected.
National Constitution Center
National Constitution Center: Amendment X: Rights Reserved for States or People
Provides text to the Tenth Amendment with further interpretation about rights reserved for the states or the people.
Annenberg Foundation
Annenberg Classroom: Tenth Amendment
Annenberg Classroom resource on the 10th Amendment which attempts to create a balance of power between federal and state government. With links to related news articles and resources.
Annenberg Foundation
Annenberg Classroom: Rights of States
Check out this interactive timeline of the history of rights of states in the United States.
Siteseen
Siteseen: Government and Constitution: 10th Amendment
Short, simple summary with the full text of the 10th amendment of the Bill of Rights that states that any powers that the Constitution does not give to the US government, belong to the individual states and the people.