Columbia subject headings:
Adams, Ansel, 1902-1984--Exhibitions.
Adams, Robert, 1937---Exhibitions.
West (U.S.)--In art--Exhibitions.
West (U.S.)--Pictorial works--Exhibitions.
Harvard subject headings:
Adams, Ansel, 1902-1984--Exhibitions.
Adams, Robert, 1937---Exhibitions.
Landscape photography--Exhibitions.
West (U.S.)--In art--Exhibitions.
West (U.S.)--Pictorial works--Exhibitions.
Princeton subject headings:
Adams, Ansel, 1902---Exhibitions.
Adams, Robert, 1937---Exhibitions.
West (U.S.)--In art--Exhibitions.
West (U.S.)--Pictorial works--Exhibitions.