This guide directs to information on the formation of political parties, as well as Thomas Jefferson's allegiance to the Democratic-Republican Party and opposition to the Federalist Party.
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- Democratic-Republican Political Party and Thomas Jefferson 
 - Federalist Political Party and Thomas Jefferson
 - Jefferson and political parties
 
- Democratic-Republican and Thomas Jefferson
 - Federalist Party and Thomas Jefferson
 - Thomas Jefferson and political parties
 
3. The Gilder Lehrman Institute of American History