Columbia subject headings:
Harvard subject headings:
Cultural property--Guidebooks.
Historic sites--Guidebooks.
Natural monuments--Guidebooks.
Unesco--Guidebooks.
World Heritage areas--Catalogs.
Princeton subject headings:
Catalogs.
Cultural property--Guidebooks.
Guidebooks.
Historic sites--Guidebooks.
Natural monuments--Guidebooks.
Unesco--Guidebooks.
World Heritage areas--Catalogs.