The paintings, murals, and graphics of Ben Shahn (1898-1969) have made him one of the most heralded American artists of the twentieth century, but during the 1930s he was also among the nation's premier photographers. Much of his photographic work was sponsored by the New Deal's Farm Security Administration, where his colleagues included Dorothea Lange and Walker Evans. Ben Shahn's American Scene: Photographs, 1938 presents one hundred...