Look up Hot Tuna. All of their acoustic stuff is finger-picked. In fact, I think Jorma plays electric with his thumb and finger-picks too.
XBOX LIVE Gamertag: Jazz Funeral
Currently killing with The Nunts crew in Max Payne 3

Quote by Weaponized
32-20 blues - Robert Johnson
Cocaine blues - Keith Richards
Lightnin' Hopkins & Mississippi John Hurt songs in general
any blind Blake or blind boy fuller. kind of a thin line between ragtime guitar and piedmont blues afaik. I swear I'm gonna learn how to play like that one of these days.