Here are a few sites that might be of use:

On the Harry Smith Anthology, which was important to the folk revivalists:

http://www.weeklywire.com/ww/09-29-97/knox_gamut.html

http://www.harrysmitharchives.com/about/molesick.html

On Bob Dylan, and folk music:

http://www2.kenyon.edu/people/mcdonaldn/welcome.htm

On the 60's and folk music:

http://www.folkmusic.about.com/musicperform/folkmusic/library/weekly/aa101600a.htm

Robert Cantwell's book "When We Were Good" is about the folk revival. Here's a couple of write-ups:

http://www.findarticles.com/cf_0/m2298/n1_v16/21085990/p1/article.jhtml?term=

http://www.folkmusic.about.com/gi/dynamic/offsite.htm?site=http://www.home.earthlink.net/%257Eh2jukebox/bbrcantwell.html