Social aspects 120 History 85 Sports 72 Ethnology 52 Philosophy 42 Tourism 39 Human ecology 30 Psychological aspects 29 Anthropology 24 Methodology 24 Dance 23 Nature 21 Effect of human beings on 20 Sports administration 20 Environmental aspects 19 Antiquities 18 Political aspects 18 Sociological aspects 18 Food habits 17 Economic aspects 16 Environmental policy 16 Management 16 Moral and ethical aspects 16 Study and teaching 16 Cross-cultural studies 15 Social life and customs 15 Physical education and training 14 Modern dance 13 Research 13 Social conditions 13