Columbia subject headings:
Harvard subject headings:
Color photography--Autochrome process.
Gervais-Courtellement, Jules, 1863-1931.
Istanbul (Turkey)--Pictorial works.
Turkey--Pictorial works.
Princeton subject headings:
Catalogs.
Color photography--Autochrome process--Catalogs.
Gervais-Courtellement, Jules, 1863-1931--Catalogs.
Istanbul (Turkey)--Pictorial works--Catalogs.
Turkey--Pictorial works--Catalogs.