Incoming Resources
- World Book, Two-Can, Chicago, London, 1997
- World Book, Chicago, IL, c2008
- World Book, Chicago, 1998
- World Book, Chicago, c2009
- World Book, Chicago, IL, 1996
- World Book, Chicago, c1988
- World Book, Chicago, IL, c2003
- World Book, Chicago, 2005, c2004