Constitution of the United States of America: Analysis and Interpretation, 2010 Supplement, Analysis of Cases Decided by the Supreme Court of the United States
United States Code 2006 Edition, Supplement 3, Volume 3, Title 22, Foreign Relations and Intercourse to Title 42, The Public Health and Welfare, Sections 1-5792a
United States Code 2006, Supplement 4, V. 6, Title 42, The Public Health and Welfare, Sections 6201-End, to Title 51, National and Commercial Space Programs, January 4, 2007 to January 7, 2011