Columbia subject headings:
Harvard subject headings:
Documentary photography--Exhibitions
Photography, Artistic--Exhibitions
Photography, Industrial--United States--Exhibitions.
Roads in art--Exhibitions.
Standard Oil Company.
Stryker, Roy Emerson, 1893-1975--Exhibitions.
United States--Pictorial works--Exhibitions.
United States--Social life and customs--Exhibitions.
Princeton subject headings:
Documentary photography--United States--Exhibitions.
Roads--United States--Pictorial works--Exhibitions.
Stryker, Roy Emerson, 1893-1975--Exhibitions.