Columbia subject headings:
Color photography--Autochrome process--Exhibitions.
Duchêne, Achille--Exhibitions.
Gardens--France--History--Exhibitions.
Gardens--France--Pictorial works--Exhibitions.
Jardins Albert-Kahn (Boulogne-Billancourt, France)--History--Exhibitions.
Kahn, Albert, 1860-1940--Homes and haunts--France--Boulogne-Billancourt--History--Exhibitions.
Landscape architects--France--Biography--Exhibitions.
Photography of gardens--Exhibitions.
Harvard subject headings:
Color photography--Autochrome process--Exhibitions.
Duchêne, Achille--Exhibitions.
Gardens--France--History--Exhibitions.
Gardens--France--Pictorial works--Exhibitions.
Jardins Albert-Kahn (Boulogne-Billancourt, France)--History--Exhibitions.
Kahn, Albert, 1860-1940--Homes and haunts--France--Boulogne-Billancourt--History--Exhibitions.
Landscape architects--France--Biography--Exhibitions.
Photography of gardens--Exhibitions.
Princeton subject headings:
Duchêne, Achille, 1866-1947--Exhibitions.
Espace départemental Albert Kahn--Exhibitions.
Gardens--France--Design--History--Exhibitions.
Kahn, Albert, 1860-1940.