Columbia subject headings:
Architecture--Denmark--Copenhagen--Guidebooks.
Copenhagen (Denmark)--Buildings, structures, etc.--Guidebooks.
Copenhagen (Denmark)--Guidebooks.
Harvard subject headings:
Architecture--Denmark--Copenhagen--Guidebooks.
Copenhagen (Denmark)--Buildings, structures, etc.--Guidebooks.
Copenhagen (Denmark)--Guidebooks.
Princeton subject headings:
Architecture--Denmark--Copenhagen--Guidebooks.
Copenhagen (Denmark)--Buildings, structures, etc.