The following sources were instrumental in crafting the content of this podcast:

The Bonhoeffer Podcast (https://podcasts.apple.com/us/podcast/the-bonhoeffer-podcast/id1449401976), specifically the episode titled, "Dr. Lori Brandt Hale - Bonhoeffer for Armchair Theologians" (https://podcasts.apple.com/us/podcast/dr-lori-brandt-hale-bonhoeffer-for-armchair-theologians/id1449401976?i=1000456339040)

Martin Doblmeier's documentary on Dietrich Bonhoeffer, specifically titled Bonhoeffer (https://www.amazon.com/Bonhoeffer-Martin-Doblmeier/dp/B0716Z9QP2)

Dietrich Bonhoeffer's books titled The Cost of Discipleship and Letters and Papers from Prison

Eric Metaxas's biography on Dietrich Bonhoeffer titled Bonhoeffer: Prophet, Martyr, Pastor, Spy

Erich Maria Remarque's classic titled All Quiet on the Western Front 

Several resources on Kristallnacht, including the Holocaust Encyclopedia (https://encyclopedia.ushmm.org/content/en/article/the-night-of-broken-glass) and a BBC article featuring Ruth Winkelmann's comments on the event (https://www.bbc.com/news/stories-46152567)