Aesthetics: An Introduction to the Philosophy of Art
Anne D. R. Sheppard
Reductionism and the Development of Knowledge
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Word Power Made Easy
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Auf einem Raumschiff mit Gurdjieff: Die kosmische Lebensphilosophie ...
Bruno Martin
A Practical Guide to ‘Free-Energy’ Devices
Vladimir Utkin
Research, Teaching, and Learning With the Piaget Model
John Wilson Renner