Knowledge, Theory of Philosophy 38 Science 23 History 12 Methodology 10 Research 8 Social sciences 7 Addresses, essays, lectures 5 Cognition 5 Education 5 Humanities 5 Information technology 5 Philosophy of mind 5 Psychology 5 Social aspects 5 Aesthetics 4 Educational psychology 4 Feminist theory 4 Knowledge, Sociology of 4 Political aspects 4 Technological innovations 4 Thought and thinking 4 Communication in learning and scholarship 3 Ethics 3 Information visualization 3 Intellect 3 Internet research 3 Knowledge management 3 Languages 3 Learning and scholarship 3