In the wake of Pete Seeger, I went reaching back in the Mudcat archives to this recording (he sings Darling Corey, Paddy Works on the Railway & Which Side Are You On?). It seems like the 'Vinyl Preservation Project' has gone away but this box set is still available. The liner notes are worth the reading (and the 'roots' music is great).

Folk Box Vinyl(8 Sides) - Folkways - 1964

voyager