Cultural property 58 Protection 57 Conservation and restoration 22 Historic preservation 19 Historic sites 15 Museums 12 Social aspects 11 Cultural property, Protection of 10 History 9 Management 8 Philosophy 8 Antiquities 6 Law and legislation 6 Political aspects 6 Collection and preservation 5 Technological innovations 5 Historic buildings 4 Protection (International law) 4 Architecture 3 Civilization 3 Cultural policy 3 Heritage tourism 3 Historiography 3 Indigenous peoples 3 Museum exhibits 3 National characteristics 3 Nature conservation 3 Research 3 Study and teaching 3 Archaeological thefts 2