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
If This Be Heresy by James A. Pike
The Bishop Pike Affair by William Stringfellow and Anthony Towne
The Last Years: Journals 1853-1855 by Sören Kierkegaard, edited and translated by Ronald Gregor Smith
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