Correspondence. A letter to Gordon Zahn. ~ "Your essay is as desperately needed and as strong and to the point as IN SOLITARY WITNESS and I can't tell you how much your witness to this martyr has meant in my life. We gave your book in 1965 to the vicar of our church in England and he said it was the best book he'd ever read in his life--and now you've kept track of it all and done a follow-up. "