Incoming Resources
- Harper Trophy, New York, 1973
- Harper Trophy, New York, 1993
- Harper Trophy, New York, NY, 2009, c2003
- Harper Trophy, New York, 2006
- Harper Trophy, New York, 2007, c2005
- Harper Trophy, New York, c2008
- Harper Trophy, New York, 2009
- Harper Trophy, New York, 2003