http://assets.cambridge.org/97811070/02159/cover/9781107002159.jpg
http://www.loc.gov/catdir/enhancements/fy1101/2010045713-b.html
http://www.loc.gov/catdir/enhancements/fy1101/2010045713-d.html
http://www.loc.gov/catdir/enhancements/fy1101/2010045713-t.html