There is a wonderful album of Ewan and Peggy Seeger on Rounder (tape, not a CD, made 1983):

Freeborn Man (http://www.rounder.com/cgi-bin/SoftCart.exe/onlinestore/catalog/bylabel/roun/3/3080/3080.html?L+rounder+nule1090+909212437)

I believe that the songs on this tape were all from the BBC broadcast series. I have heard rumors that the BBC stuff was transcribed to video tape for purchase, but no confirmation of that.