German Philosophy in Relation to the War by John Henry Muirhead
For a similar modern book, see The Coming of the Third Reich by Richard J. Evans
Learn more about WWI, The Great War, through this video from Khan Academy
Ethics: Utilitarianism video by Khan Academy
Article about the book-burning at the Wartburg Festival of 1817 titled “Where They Have Burned Books, They Will End Up Burning People”
Poem by Ralph Waldo Emerson
Poem “Christmas Eve and Easter Day” Robert Browning