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(Kenneth Whitley, Sept. 7 1939, <a href="/wiki/WPA" title="WPA">WPA</a> poster from the <a href="/wiki/Library_of_Congress" title="Library of Congress">Library of Congress</a>: http://hdl.loc.gov/loc.pnp/cph.3b49077 {{pd}})
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La bildo estas kopiita de wikipedia:en. La originala priskribo estas: Kenneth Whitley, Sept. 7 1939, Works Progress Administration poster from the Library of Congress: http://hdl.loc.gov/loc.pnp/cph.3b49077 {{PD-USGov}} {| border="1" ! date/time