Scupoli - The Spiritual Combat
Unknown
Die Erde und unsere Ahnen (1913, 383 S., Text)
Ernst Betha
Daybreak
Friedrich Nietzsche
German Voices
The Fourth Turning
Neil Howe William Strauss
The Fourth Turning: An American Prophecy
Neil Howe, William Strauss
We Are Doomed
John. Derbyshire