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This website is from the Legal Information Institute, Cornell University School of Law. It provides close to 400 pages of extensive and detailed analysis of the 14th Amendment, including large numbers of footnotes referencing court cases.
Includes a short history, "a list of all the provisions of the Bill of Rights which have thus far been incorporated by the U.S. Supreme Court to the states through the "due process" clause," and a short section on"Interactions Between the State and Federal Systems."