- Author: Curtis F. Schaafsma Carroll L. Riley
- Language: English
- Year: 1999
- Author: Carroll L. Riley
- Language: English
- Year: 1995
- Author: Charles H. Lange Carroll L. Riley
- Language: English
- Year: 1996
- Author: Richard Flint Shirley Cushing Flint Carroll L. Riley
- Language: English
- Year: 1997
- Author: Carroll L. Riley
- Language: English
- Year: 1999