Columbia subject headings:
Harvard subject headings:
Pittsburgh (Pa.)--Pictorial works.
Smith, W. Eugene, 1918-1978--Exhibitions.
Princeton subject headings:
Photography, Artistic--United States--Pennsylvnia,--Pittsburgh.
Photojournalism--United States--Pennsylvnia,--Pittsburgh.
Portrait photography--United States--Pennsylvnia,--Pittsburgh.
Street photography--United States--Pennsylvnia,--Pittsburgh.