http://www.loc.gov/catdir/enhancements/fy0642/2004028548-d.html
http://www.loc.gov/catdir/enhancements/fy0642/2004028548-t.html
http://www.h-net.org/review/hrev-a0e9o5-aa
http://www.loc.gov/catdir/enhancements/fy0733/2004028548-b.html