Shorter definition of separation of powers than the definition given on the www.usconstitution.net website. Also from a more reliable source. full description
Complex definition of federalism and separation of powers by Dr. Paul Johnson. For someone who understands the concepts and wants more detailed information. full description
This link explains where the Separation of Powers clause is found in the Constitution as well as gives a detailed explanation of the powers vested in each branch of the government by Steve Mount. There is also some history about where the concept of separation of powers came from. full description