Love Letters from Cell 92: The Correspondence Between Dietrich Bonhoeffer and Maria Von Wedemeyer, 1943-45Actually the full title is Love Letters From Cell 92: The Correspondence Between Dietrich Bonhoeffer Maria von Wedemeyer, 1943-45

Dietrich Bonhoeffer and Maria von Wedemeyer were engaged on January 13, 1943.  Their letters were first published in German in 1992.  An American edition was published in 1995

(Editor’s Introduction to the English Edition of to Dietrich Bonhoeffer Works in Volume 16: Conspiracy and Imprisonment: 1940-1945, 21)