- Author: Schultz Marguerite J., Schultz Stanley A
- Language: English
- Year: 2009
- Author: Foy Joseph J., Schultz Stanley K
- Language: English
- Year: 2008
- Author: Foy Joseph J., Schultz Stanley K
- Language: English
- Year: 2008
- Author: Don E. Schultz Stanley I. Tannenbaum Robert F. Lauterborn
- Language: English
- Year: 1993
- Author: Don E. Schultz Stanley I. Tannenbaum Anne Allison
- Language: English
- Year: 1996