Columbia subject headings:
Hotel Astor (New York, N.Y.)--Pictorial works.
Hotels--New York (State)--New York--Pictorial works.
Interior decoration--New York (State)--New York--Pictorial works.
New York (N.Y.)--Buildings, structures, etc.
New York (N.Y.)--Pictorial works.
Harvard subject headings:
Hotel Astor (New York, N.Y.)--Catalogs.
Hotels--New York (State)--New York--Catalogs.
New York (N.Y.)--Buildings, structures, etc.--Catalogs.
Princeton subject headings: