Incoming Resources
- Harper Trophy, New York, 2000
- Harper Trophy, New York, c2004
- Harper Trophy, New York, c1996
- Harper Trophy, New York, 2002, c2000
- Harper Trophy, New York, c2008
- Harper Trophy, New York, NY, 1998, c1997
- Harper Trophy, New York, NY, 2009, c2008
- Harper Trophy, New York, 2002, c1995
- Harper Trophy, New York, NY, 2006
- Harper Trophy, New York, 2008
- Harper Trophy, New York, NY, 1993
- Harper Trophy, New York, c2007