Kritik der Öffentlichen Meinung
Ferdinant Tönnies
Aldous Huxley
Harold Bloom
Volume 5: Symbols of Transformation
Carl Gustav Jung
Text Mining: Classification, Clustering, and Applications
Ashok N. Srivastava & Mehran Sahami
Eureka!: The Birth of Science
Andrew Gregory
The Human Condition
Hannah Arendt