Europe
Irish Folksongs Airs, Ballads, Ditties, Hymns, Jigs, and Reels
Folksongs of the World

America
Arlonet Arlo Guthrie's home page
California Folk Music Project WPA
Peter, Paul & Mary home page
Judy Collins song list

Bob Dylan
Bob Dylan "official" site
Eternal Circle comprehensive Japanese site
Dylan Atlas A gazetteer of places mentioned in Dylan songs.
The Book A Danish site with lyrics and album cover art.