" I remember Bob Thomson, the friend with whom I visted Harry Cox, who was a primary authority on Broadside versions of Child Ballads, [on which he did a Cambridge PhD as a mature student;"

I have a distinct memory of you talking to Bob Thomson and Mike Herring at Peterborough Folk Club, MtheGM. I think that this was around 1969 - 70ish. I don't think that you and I ever had a conversation though.