Columbia subject headings:
Buildings--France--Paris--Pictorial works--Exhibitions.
Monuments--France--Paris--Pictorial works--Exhibitions.
Photography in engineering--History--19th century--Exhibitions.
Photography of railroads--History--19th century--Exhibitions.
Statue of Liberty (New York, N.Y.)--Pictorial works--Exhibitions.
Harvard subject headings:
Architectural photography.
Building sites--Pictorial works.
Building--France--Pictorial works.
Building--Pictorial works.
Documentary photography--France.
Monuments--France--Pictorial works.
Photography--France--Exhibitions.
Princeton subject headings:
Paris (France)--Buildings, structures, etc.--Pictorial works--Exhibitions.
Photography in engineering--History--19th century--Exhibitions.
Photography of railroads--History--19th century--Exhibitions.