Public papers of the Presidents of the United States, Barack Obama.

Washington, D.C. : Office of the Federal Register, National Archives and Records Administration : For sale by the Superintendent of Documents, U.S. G.P.O., 2010

Public papers of the Presidents of the United States, Barack Obama.

Washington, D.C. : Office of the Federal Register, National Archives and Records Administration : For sale by the Superintendent of Documents, U.S. G.P.O., 2010

Public papers of the Presidents of the United States, Barack Obama.

Washington, D.C. : Office of the Federal Register, National Archives and Records Administration : for sale by the Superintendent of Documents, U.S. G.P.O., 2010

Public papers of the Presidents of the United States.

Washington, D.C. : Office of the Federal Register, National Archives and Records Administration, 2010

Public papers of the Presidents of the United States.

Washington, D.C. : Office of the Federal Register, National Archives and Records Administration, 2010