121 - Epistemology (Theory of knowledge) 638
128 - Humankind 624
123 - Determinism and indeterminism 189
126 - The self 137
120 - Epistemology, causation, humankind 42
129 - Origin and destiny of individual souls 25
122 - Causation 20
124 - Teleology 8
127 - The unconscious and the subconscious 5
125 - [Unassigned] 4
142 - Critical philosophy 1