1. U.S. Department of State U.S.-Cuba Relations ; www.state.gov/www/regions/wha/cuba/policy.html.
2. Lugar R. Changing Cuba Policy—in the United States National Interest: Staff Trip Report to the Committee on Foreign Relations U.S. Senate (Government Printing Office Washington DC 2009); http://lugar.senate.gov/sfrc/pdf/Cuba.pdf.
3. Office of the Press Secretary The White House “Fact Sheet: Reaching out to the Cuban People ” released 13
April 2009; www.whitehouse.gov/the_press_office/Fact-Sheet-Reaching-out-to-the-Cuban-people.
4. U.S.-Cuban Scientific Relations
5. Economy, Politics, and Health Status in Cuba