Incoming Resources
- Harper Trophy, New York, 2000
- Harper Trophy, New York, 2001
- Harper Trophy, New York, 2002, c2000
- Harper Trophy, New York, 1994
- Harper Trophy, New York, c2009
- Harper Trophy, New York, 2002
- Harper Trophy, New York, N.Y., 2007
- Harper Trophy, New York, c2008
- Harper Trophy, New York, NY, 2006
- Harper Trophy, New York, 2008
- Harper Trophy, New York, c2005
- Harper Trophy, New York, 2009