May 31, 1979: Deep-Est (letter)
October 27, 1977: Darwin's Complaint (letter)
September 15, 1977: What Was Wrong With Darwin?
To Be an Invalid: The Illness of Charles Darwin by Ralph Colp Jr., M.D.
The Collected Papers of Charles Darwin edited by Paul H. Barrett
November 23, 1967: Hello Out There
If This Be Heresy by James A. Pike
The Bishop Pike Affair by William Stringfellow, by Anthony Towne
July 28, 1966: Kierkegaard in English (letter)
April 28, 1966: Everybody's Kierkegaard
The Last Years: Journals 1853-1855 by Sören Kierkegaard, edited and translated by Ronald Gregor Smith
August 26, 1965: The Bonhoeffer Revival
Preface to Bonhoeffer, The Man and Two of his Shorter Writings by John D. Godsey
No Rusty Swords by Dietrich Bonhoeffer, translated by John Bowden
Ethics by Dietrich Bonhoeffer, translated by Neville Horton Smith