Columbia subject headings:
Harvard subject headings:
Architecture, Modern--20th century--France--Paris--Guidebooks.
Architecture, Modern--20th century--Guidebooks.
Architecture, Modern--France--Paris--20th century--Guidebooks.
Architecture--France--Paris--Guidebooks.
Paris (France)--Buildings, structures, etc.--Guidebooks.
Princeton subject headings:
Architecture, Modern--20th century--France--Paris--Guidebooks.
Architecture--France--Paris--Guidebooks.
Paris (France)--Buildings, structures, etc.--Guidebooks.