Change and Habit
Arnold J. Toynbee
Epistemology
Richard Fumerton
Kursbuch Homöopathie
Michael Teut
Vegan for Fit. Die Attila Hildmann 30-Tage-Challenge
Attila Hildmann
Design Patterns: Elements of Reusable Object-Oriented Software
Erich Gamma & Richard Helm & Ralph Johnson & John Vlissides
System of Economical Contradictions; Or, the Philosophy of Misery
P. J. Proudhon