SUBJECT
Historic sites
Conservation and restoration
49
Cultural property
34
Protection
26
Historic buildings
22
Monuments
15
World Heritage areas
15
Historic preservation
10
History
10
Architecture
7
Antiquities
6
Heritage tourism
6
Tourism
6
Cultural property, Protection of
5
National parks and reserves
5
Cultural policy
4
Description and travel
4
History, Local
4
Landscape protection
4
Social aspects
4
Tourist trade
4
Collection and preservation
3
Economic aspects
3
Excavations (Archaeology)
3
Historical markers
3
Natural areas
3
Cities and towns
2
City planning
2
Conservation of natural resources
2
Cultural landscapes
2
Evaluation
2
Guidebooks
2
Historical museums
2
Management
2
Marketing
2
Rural conditions
2
Urban renewal
2
Archaeoastronomy
1
Architecture, Modern
1
Archival materials
1
Arts
1
Astronomical instruments
1
Astronomical observatories
1
Astronomy
1
Automobile travel
1
Battlefields
1
Bohol
1
Buildings, structures, etc
1
Castles
1
Church architecture
1
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