Columbia subject headings:
Architecture--Conservation and restoration--Monaco--Monte-Carlo.
Garnier, Charles, 1825-1898.
Monte-Carlo (Monaco)--Buildings, structures, etc.
Opéra de Monte-Carlo--Buildings--History.
Theaters--Conservation and restoration--Monaco--Monte-Carlo.
Harvard subject headings:
Princeton subject headings:
Opéra de Monte-Carlo--Pictorial works.
Salle Garnier (Monte-Carlo, Monaco)--Pictorial works.
Theaters--Monaco--Monte-Carlo--Pictorial works.