18 May 2015 | Publisher: United States Congressional Research Service | Document type: Legal Articles/Analyses/Commentaries
25 July 2013 | Publisher: United States Congressional Research Service | Document type: Legal Articles/Analyses/Commentaries
7 March 2011 | Publisher: United States Congressional Research Service | Document type: Research, Background and Discussion Papers
9 December 2010 | Publisher: United States Congressional Research Service | Document type: Legal Articles/Analyses/Commentaries
2 November 2010 | Publisher: United States Congressional Research Service | Document type: Legal Articles/Analyses/Commentaries
30 September 2010 | Publisher: United States Congressional Research Service | Document type: Legal Articles/Analyses/Commentaries
24 May 2010 | Publisher: United States Congressional Research Service | Document type: Legal Articles/Analyses/Commentaries