US National Archives
Nara: Teaching With Documents: Ratification of the 19th Amendment, Tennessee
Check out this National Archives and Records (NARA) site to see the original Tennessee document ratifying the 19th Amendment. Also includes a short explanation as to why Tennessee's vote was so crucial.
Other
Blue Shoe Guide: The Nineteenth Amendment & the War of the Roses
This site provides historical and biographical information about the fight in Tennessee to ratify the 19th Amendment.