1. Roosevelt, F. (1934, June 5). Message to Congress Requesting Authority to Present Unneeded U.S. Marines’ Buildings and Equipment to Haiti’. The American Presidency Project. Retrieved March 24, 2015, from http://www.presidency.ucsb.edu/ws/index.php?pid=14688&st=special+relationship&st1
2. Truman, H. (1945, May 5). Statement by the President concerning Philippine Independence. The American Presidency Project. Retrieved March 24, 2015, from http://www.presidency.ucsb.edu/ws/index.php?pid=12246&st=special+relationship&st1
3. White House. (2015a, January 16). FACT SHEET: U.S.–United Kingdom Cybersecurity Cooperation. Retrieved February 17, 2015, from http://www.whitehouse.gov/the-press-office/2015/01/16/fact-sheet-us-united-kingdom-cybersecurity-cooperation
4. White House. (2015b, October 15). Statement by the President on Afghanistan. Retrieved October 16, 2015, from https://www.whitehouse.gov/the-press-office/2015/10/15/statement-president-afghanistan
5. White House (2016). President Obama on the UK Decision to Leave the European Union. Retrived August 23, 2016, from https://www.whitehouse.gov/blog/2016/06/24/president-obama-uk-decision-leave-european-union