United States Constitution, Declaration of Independence, Bill of Rights
http://www.archives.gov/exhibits/charters/bill_of_rights_transcript.html

The Federalist Papers by Alexander Hamilton, John Jay, James Madison
http://www2.hn.psu.edu/faculty/jmanis/poldocs/fed-papers.pdf
 

Revolution, by Ron Paul

End the Fed, by Ron Paul

Common Sense, by Glenn Beck