Way to Christ
Jakob Boehme
Piaget and His School: A Reader in Developmental Psychology
Jean Piaget
Jungen. Eine Gebrauchsanweisung: Jungen verstehen und unterstützen
Reinhard Winter
The Philosophy of Poetry: The Genius of Lucretius
Henri Bergson
Measure Theory
Paul R. Halmos
Descriptive psychology
Franz Brentano
International Library of Philosophy (1)