http://www.loc.gov/catdir/enhancements/fy0803/2007281200-b.html
http://www.loc.gov/catdir/enhancements/fy0803/2007281200-d.html
http://www.loc.gov/catdir/enhancements/fy0803/2007281200-t.html
http://www.loc.gov/catdir/toc/fy0801/2007281200.html