Conservation and restoration Protection Cultural property 79 Historic sites 42 Historic preservation 31 Historic buildings 23 Antiquities 22 more ... Conservation et restauration 20 Architecture 19 Collection and preservation 15 Cultural policy 13 Monuments 12 History 11 Monuments historiques 9 Social aspects 9 Landscape protection 8 Art 7 Patrimoine culturel 7 Préservation historique 7 Lieux historiques 6 Management 6 Museums 6 Denkmalpflege 5 Material culture 5 Archaeology 4 Archival materials 4 Buildings 4 Excavations (Archaeology) 4 Indians of North America 4 Architektur 3 less ...