Hi Wendy,
Here is the link to the Hatfield-McCoy Feud:
http://www.matewan.com/History/feuds.htm
And Another Good Site:
http://www.blueridgecountry.com/hatmac/hatmac.html
Here is the Hatfield Genealogy Site which is very good:
http://members.aol.com/HatwellE/genealogy.html
Good luck in your Hatfield-McCoy Research.
Ramona