Incoming Resources
- World Books Encyclopedia, Chicago, Ill., c1976
- Moody Press, Chicago, Ill., 1995
- World Book, Chicago, Ill., c1992
- A. Whitman, Chicago, Ill., ©1961
- Moody Press, Chicago, Ill., c1995
- World Book Encyclopedia, Chicago, Ill., c1982
- World Book, Inc., Chicago, Ill., c1996
- World Book Encyclopedia, Chicago, Ill., ©1983