Oxford Reference Online http://www.oxfordreference.com/views/BOOK_SEARCH.html?book=t88
Contributor biographical information http://catdir.loc.gov/catdir/enhancements/fy0725/98003333-b.html
Publisher description http://catdir.loc.gov/catdir/enhancements/fy0605/98003333-d.html

Inhaltsverzeichnis
Contributor biographical information http://www.loc.gov/catdir/enhancements/fy1011/2010481206-b.html
Publisher description http://www.loc.gov/catdir/enhancements/fy1011/2010481206-d.html
Table of contents only http://www.loc.gov/catdir/enhancements/fy1011/2010481206-t.html

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Contributor biographical information http://catdir.loc.gov/catdir/enhancements/fy1115/2003046142-b.html
Publisher description http://catdir.loc.gov/catdir/enhancements/fy1213/2003046142-d.html