Incoming Resources
- Harper Trophy, New York, 1999
- Harper Trophy, New York, 2005, c2003
- Harper Trophy, New York, 2006
- Harper Trophy, New York, 1994
- Harper Trophy, New York, 2007
- Harper Trophy, New York, c2005
- Harper Trophy, New York, N.Y., 2003, c1984
- Harper Trophy, New York, NY, 2000
- Harper Trophy, New York, 1998, c1996