Columbia subject headings:
Harvard subject headings:
Documentary photography--Southwest, New--19th century.
Documentary photography--West (U.S.)--19th century.
Landscape photography--Southwest, New--19th century.
Landscape photography--West (U.S.)--19th century.
Southwest, New--Pictorial works
West (U.S.)--Pictorial works.
Princeton subject headings:
Southwest, New--Pictorial works.
West (U.S.)--Pictorial works.