Authors: United States. (sorted by release date)
- United States - Dec 1, 2007
- United States. Patent Office - Sep 20, 2007
- United States. Federal Interdepartmental Task Force on the Potomac - Feb 2, 2007
- Taft, William H. (William Howard) 1857-1930 Dec 9, 2006
- United States. Congress. House. Committee on Science and Astronautics. - Nov 24, 2006
- United States. Council of National Defense. Highways Transport Committee - Nov 13, 2006
- United States. Navy Department. Bureau of Ordnance - Aug 16, 2006
- United States. Federal Emergency Management Agency - Jun 7, 2006
- United States. Social Security Board - Aug 1, 2005
- Eisenhower, Dwight D. (Dwight David) 1890-1969 Jun 28, 2005
- United States Food Administration - Nov 15, 2004
- United States. Army. Corps of Engineers. Manhattan District - Sep 1, 2004
- United States District Court for the Eastern District of Pennsylvania - Feb 1, 2004
- Bush, George W. (George Walker) 1946- Feb 1, 2004
- Bush, George 1924-2018 Feb 1, 2004
- Reagan, Ronald 1911-2004 Feb 1, 2004
- Carter, Jimmy 1924- Feb 1, 2004
- Ford, Gerald R. 1913-2006 Feb 1, 2004
- Nixon, Richard M. (Richard Milhous) 1913-1994 Feb 1, 2004
- Johnson, Lyndon B. (Lyndon Baines) 1908-1973 Feb 1, 2004
- Kennedy, John F. (John Fitzgerald) 1917-1963 Feb 1, 2004
- Truman, Harry S. 1884-1972 Feb 1, 2004
- Arthur, Chester Alan 1829-1886 Feb 1, 2004
- Hayes, Rutherford Birchard 1822-1893 Feb 1, 2004
- Johnson, Andrew 1808-1875 Feb 1, 2004
