Incoming Resources
- Harper Trophy, New York, 1991, c1987
- Harper Trophy, New York, c2004
- Harper Trophy, New York, 1997
- Harper Trophy, New York, c2008
- Harper Trophy, New York, c2005
- Harper Trophy, New York, 1995
- Harper Trophy, New York, 1994, c1954
- Harper Trophy, New York, 1991, c1989
- Harper Trophy, New York, c2007
- Harper Trophy, New York, 2009
- Harper Trophy, New York, NY, 2006
- Harper Trophy, New York, 2008